diff --git a/src/services/findAllReferences.ts b/src/services/findAllReferences.ts
index a2ed0feb795a7..209acabc0694c 100644
--- a/src/services/findAllReferences.ts
+++ b/src/services/findAllReferences.ts
@@ -149,6 +149,7 @@ import {
     isJsxClosingElement,
     isJsxElement,
     isJsxFragment,
+    isJsxNamespacedName,
     isJsxOpeningElement,
     isJsxSelfClosingElement,
     isJumpStatementTarget,
@@ -202,6 +203,7 @@ import {
     isVoidExpression,
     isWriteAccess,
     JSDocPropertyLikeTag,
+    JsxNamespacedName,
     length,
     map,
     mapDefined,
@@ -325,7 +327,7 @@ export interface SpanEntry {
 function nodeEntry(node: Node, kind: NodeEntryKind = EntryKind.Node): NodeEntry {
     return {
         kind,
-        node: (node as NamedDeclaration).name || node,
+        node: isJsxNamespacedName(node) ? node : ((node as NamedDeclaration).name || node),
         context: getContextNodeForNodeEntry(node),
     };
 }
@@ -1835,6 +1837,10 @@ export namespace Core {
                 // falls through I guess
             case SyntaxKind.Identifier:
                 return (node as PrivateIdentifier | Identifier).text.length === searchSymbolName.length;
+            case SyntaxKind.JsxNamespacedName: {
+                const { namespace, name } = node as JsxNamespacedName;
+                return (namespace.text.length + 1 + name.text.length) === searchSymbolName.length;
+            }
             case SyntaxKind.NoSubstitutionTemplateLiteral:
             case SyntaxKind.StringLiteral: {
                 const str = node as StringLiteralLike;
diff --git a/src/services/rename.ts b/src/services/rename.ts
index be533ff0b4230..01cdb0ab78d1c 100644
--- a/src/services/rename.ts
+++ b/src/services/rename.ts
@@ -235,6 +235,7 @@ export function nodeIsEligibleForRename(node: Node): boolean {
         case SyntaxKind.StringLiteral:
         case SyntaxKind.NoSubstitutionTemplateLiteral:
         case SyntaxKind.ThisKeyword:
+        case SyntaxKind.JsxNamespacedName:
             return true;
         case SyntaxKind.NumericLiteral:
             return isLiteralNameOfPropertyDeclarationOrIndexAccess(node as NumericLiteral);
diff --git a/src/services/services.ts b/src/services/services.ts
index 2df3b75ae6cb7..ca5a33a9259f5 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -3497,7 +3497,7 @@ export function getNameTable(sourceFile: SourceFile): Map<__String, number> {
 function initializeNameTable(sourceFile: SourceFile): void {
     const nameTable = sourceFile.nameTable = new Map();
     sourceFile.forEachChild(function walk(node) {
-        if (isIdentifier(node) && !isTagName(node) && node.escapedText || isStringOrNumericLiteralLike(node) && literalIsName(node)) {
+        if (isIdentifier(node) && !isTagName(node) && node.escapedText || isStringOrNumericLiteralLike(node) && literalIsName(node) || isJsxNamespacedName(node)) {
             const text = getEscapedTextOfIdentifierOrLiteral(node);
             nameTable.set(text, nameTable.get(text) === undefined ? node.pos : -1);
         }
diff --git a/src/services/utilities.ts b/src/services/utilities.ts
index ceb56323ceeb6..160f56f68415c 100644
--- a/src/services/utilities.ts
+++ b/src/services/utilities.ts
@@ -203,6 +203,7 @@ import {
     isJSDocTypeAlias,
     isJsxElement,
     isJsxExpression,
+    isJsxNamespacedName,
     isJsxOpeningLikeElement,
     isJsxText,
     isKeyword,
@@ -1547,7 +1548,8 @@ export function getAdjustedRenameLocation(node: Node): Node {
  * @internal
  */
 export function getTouchingPropertyName(sourceFile: SourceFile, position: number): Node {
-    return getTouchingToken(sourceFile, position, n => isPropertyNameLiteral(n) || isKeyword(n.kind) || isPrivateIdentifier(n));
+    const token = getTouchingToken(sourceFile, position, n => isPropertyNameLiteral(n) || isKeyword(n.kind) || isPrivateIdentifier(n));
+    return isIdentifier(token) && isJsxNamespacedName(token.parent) ? token.parent : token;
 }
 
 /**
diff --git a/tests/baselines/reference/findAllReferencesOnJsxNamespacedName1.baseline.jsonc b/tests/baselines/reference/findAllReferencesOnJsxNamespacedName1.baseline.jsonc
new file mode 100644
index 0000000000000..32087f986df19
--- /dev/null
+++ b/tests/baselines/reference/findAllReferencesOnJsxNamespacedName1.baseline.jsonc
@@ -0,0 +1,204 @@
+// === findAllReferences ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'[|{| isWriteAccess: true |}prop:foo|]': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el /*FIND ALL REFS*/<|[|prop:foo|]="bar"|> />
+
+  // === Definitions ===
+  // === /types.d.ts ===
+  // declare namespace JSX {
+  //   interface IntrinsicElements {
+  //     'my-el': {
+  //       <|'[|prop:foo|]': string;|>
+  //     };
+  //   }
+  // }
+
+  // === Details ===
+  [
+   {
+    "containerKind": "",
+    "containerName": "",
+    "kind": "property",
+    "name": "(property) 'prop:foo': string",
+    "displayParts": [
+     {
+      "text": "(",
+      "kind": "punctuation"
+     },
+     {
+      "text": "property",
+      "kind": "text"
+     },
+     {
+      "text": ")",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "'prop:foo'",
+      "kind": "propertyName"
+     },
+     {
+      "text": ":",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "string",
+      "kind": "keyword"
+     }
+    ]
+   }
+  ]
+
+
+
+// === findAllReferences ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'[|{| isWriteAccess: true |}prop:foo|]': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el <|[|prop:/*FIND ALL REFS*/foo|]="bar"|> />
+
+  // === Definitions ===
+  // === /types.d.ts ===
+  // declare namespace JSX {
+  //   interface IntrinsicElements {
+  //     'my-el': {
+  //       <|'[|prop:foo|]': string;|>
+  //     };
+  //   }
+  // }
+
+  // === Details ===
+  [
+   {
+    "containerKind": "",
+    "containerName": "",
+    "kind": "property",
+    "name": "(property) 'prop:foo': string",
+    "displayParts": [
+     {
+      "text": "(",
+      "kind": "punctuation"
+     },
+     {
+      "text": "property",
+      "kind": "text"
+     },
+     {
+      "text": ")",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "'prop:foo'",
+      "kind": "propertyName"
+     },
+     {
+      "text": ":",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "string",
+      "kind": "keyword"
+     }
+    ]
+   }
+  ]
+
+
+
+// === findAllReferences ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'/*FIND ALL REFS*/[|{| isWriteAccess: true, isDefinition: true |}prop:foo|]': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el <|[|prop:foo|]="bar"|> />
+
+  // === Definitions ===
+  // === /types.d.ts ===
+  // declare namespace JSX {
+  //   interface IntrinsicElements {
+  //     'my-el': {
+  //       <|'/*FIND ALL REFS*/[|prop:foo|]': string;|>
+  //     };
+  //   }
+  // }
+
+  // === Details ===
+  [
+   {
+    "containerKind": "",
+    "containerName": "",
+    "kind": "property",
+    "name": "(property) 'prop:foo': string",
+    "displayParts": [
+     {
+      "text": "(",
+      "kind": "punctuation"
+     },
+     {
+      "text": "property",
+      "kind": "text"
+     },
+     {
+      "text": ")",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "'prop:foo'",
+      "kind": "propertyName"
+     },
+     {
+      "text": ":",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "string",
+      "kind": "keyword"
+     }
+    ]
+   }
+  ]
\ No newline at end of file
diff --git a/tests/baselines/reference/findAllReferencesOnJsxNamespacedName2.baseline.jsonc b/tests/baselines/reference/findAllReferencesOnJsxNamespacedName2.baseline.jsonc
new file mode 100644
index 0000000000000..6072f06f32845
--- /dev/null
+++ b/tests/baselines/reference/findAllReferencesOnJsxNamespacedName2.baseline.jsonc
@@ -0,0 +1,204 @@
+// === findAllReferences ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'[|{| isWriteAccess: true |}__prop:foo|]': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el /*FIND ALL REFS*/<|[|__prop:foo|]="bar"|> />
+
+  // === Definitions ===
+  // === /types.d.ts ===
+  // declare namespace JSX {
+  //   interface IntrinsicElements {
+  //     'my-el': {
+  //       <|'[|__prop:foo|]': string;|>
+  //     };
+  //   }
+  // }
+
+  // === Details ===
+  [
+   {
+    "containerKind": "",
+    "containerName": "",
+    "kind": "property",
+    "name": "(property) '__prop:foo': string",
+    "displayParts": [
+     {
+      "text": "(",
+      "kind": "punctuation"
+     },
+     {
+      "text": "property",
+      "kind": "text"
+     },
+     {
+      "text": ")",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "'__prop:foo'",
+      "kind": "propertyName"
+     },
+     {
+      "text": ":",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "string",
+      "kind": "keyword"
+     }
+    ]
+   }
+  ]
+
+
+
+// === findAllReferences ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'[|{| isWriteAccess: true |}__prop:foo|]': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el <|[|__prop:/*FIND ALL REFS*/foo|]="bar"|> />
+
+  // === Definitions ===
+  // === /types.d.ts ===
+  // declare namespace JSX {
+  //   interface IntrinsicElements {
+  //     'my-el': {
+  //       <|'[|__prop:foo|]': string;|>
+  //     };
+  //   }
+  // }
+
+  // === Details ===
+  [
+   {
+    "containerKind": "",
+    "containerName": "",
+    "kind": "property",
+    "name": "(property) '__prop:foo': string",
+    "displayParts": [
+     {
+      "text": "(",
+      "kind": "punctuation"
+     },
+     {
+      "text": "property",
+      "kind": "text"
+     },
+     {
+      "text": ")",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "'__prop:foo'",
+      "kind": "propertyName"
+     },
+     {
+      "text": ":",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "string",
+      "kind": "keyword"
+     }
+    ]
+   }
+  ]
+
+
+
+// === findAllReferences ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'/*FIND ALL REFS*/[|{| isWriteAccess: true, isDefinition: true |}__prop:foo|]': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el <|[|__prop:foo|]="bar"|> />
+
+  // === Definitions ===
+  // === /types.d.ts ===
+  // declare namespace JSX {
+  //   interface IntrinsicElements {
+  //     'my-el': {
+  //       <|'/*FIND ALL REFS*/[|__prop:foo|]': string;|>
+  //     };
+  //   }
+  // }
+
+  // === Details ===
+  [
+   {
+    "containerKind": "",
+    "containerName": "",
+    "kind": "property",
+    "name": "(property) '__prop:foo': string",
+    "displayParts": [
+     {
+      "text": "(",
+      "kind": "punctuation"
+     },
+     {
+      "text": "property",
+      "kind": "text"
+     },
+     {
+      "text": ")",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "'__prop:foo'",
+      "kind": "propertyName"
+     },
+     {
+      "text": ":",
+      "kind": "punctuation"
+     },
+     {
+      "text": " ",
+      "kind": "space"
+     },
+     {
+      "text": "string",
+      "kind": "keyword"
+     }
+    ]
+   }
+  ]
\ No newline at end of file
diff --git a/tests/baselines/reference/renameOnJsxNamespacedName1.baseline.jsonc b/tests/baselines/reference/renameOnJsxNamespacedName1.baseline.jsonc
new file mode 100644
index 0000000000000..693cba71eeed6
--- /dev/null
+++ b/tests/baselines/reference/renameOnJsxNamespacedName1.baseline.jsonc
@@ -0,0 +1,42 @@
+// === findRenameLocations ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'[|prop:fooRENAME|]': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el /*RENAME*/<|[|prop:fooRENAME|]="bar"|> />
+
+
+
+// === findRenameLocations ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'[|prop:fooRENAME|]': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el <|[|prop:/*RENAME*/fooRENAME|]="bar"|> />
+
+
+
+// === findRenameLocations ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'[|prop:fooRENAME|]/*RENAME*/': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el <|[|prop:fooRENAME|]="bar"|> />
\ No newline at end of file
diff --git a/tests/baselines/reference/renameOnJsxNamespacedName2.baseline.jsonc b/tests/baselines/reference/renameOnJsxNamespacedName2.baseline.jsonc
new file mode 100644
index 0000000000000..92e346379d33e
--- /dev/null
+++ b/tests/baselines/reference/renameOnJsxNamespacedName2.baseline.jsonc
@@ -0,0 +1,42 @@
+// === findRenameLocations ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'[|__prop:fooRENAME|]': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el /*RENAME*/<|[|__prop:fooRENAME|]="bar"|> />
+
+
+
+// === findRenameLocations ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'[|__prop:fooRENAME|]': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el <|[|__prop:/*RENAME*/fooRENAME|]="bar"|> />
+
+
+
+// === findRenameLocations ===
+// === /types.d.ts ===
+// declare namespace JSX {
+//   interface IntrinsicElements {
+//     'my-el': {
+//       <|'[|__prop:fooRENAME|]/*RENAME*/': string;|>
+//     };
+//   }
+// }
+
+// === /a.tsx ===
+// <my-el <|[|__prop:fooRENAME|]="bar"|> />
\ No newline at end of file
diff --git a/tests/cases/fourslash/findAllReferencesOnJsxNamespacedName1.ts b/tests/cases/fourslash/findAllReferencesOnJsxNamespacedName1.ts
new file mode 100644
index 0000000000000..9cbe580009633
--- /dev/null
+++ b/tests/cases/fourslash/findAllReferencesOnJsxNamespacedName1.ts
@@ -0,0 +1,19 @@
+/// <reference path="fourslash.ts" />
+
+// @jsx: react
+
+// https://github.com/microsoft/TypeScript/issues/61820
+
+// @Filename: /types.d.ts
+//// declare namespace JSX {
+////   interface IntrinsicElements {
+////     'my-el': {
+////       '/*3*/prop:foo': string;
+////     };
+////   }
+//// }
+
+// @filename: /a.tsx
+//// <my-el /*1*/prop:/*2*/foo="bar" />
+
+verify.baselineFindAllReferences("1", "2", "3");
diff --git a/tests/cases/fourslash/findAllReferencesOnJsxNamespacedName2.ts b/tests/cases/fourslash/findAllReferencesOnJsxNamespacedName2.ts
new file mode 100644
index 0000000000000..ffb3c0eb7880d
--- /dev/null
+++ b/tests/cases/fourslash/findAllReferencesOnJsxNamespacedName2.ts
@@ -0,0 +1,17 @@
+/// <reference path="fourslash.ts" />
+
+// @jsx: react
+
+// @Filename: /types.d.ts
+//// declare namespace JSX {
+////   interface IntrinsicElements {
+////     'my-el': {
+////       '/*3*/__prop:foo': string;
+////     };
+////   }
+//// }
+
+// @filename: /a.tsx
+//// <my-el /*1*/__prop:/*2*/foo="bar" />
+
+verify.baselineFindAllReferences("1", "2", "3");
diff --git a/tests/cases/fourslash/renameOnJsxNamespacedName1.ts b/tests/cases/fourslash/renameOnJsxNamespacedName1.ts
new file mode 100644
index 0000000000000..fd20e87f88398
--- /dev/null
+++ b/tests/cases/fourslash/renameOnJsxNamespacedName1.ts
@@ -0,0 +1,21 @@
+/// <reference path="fourslash.ts" />
+
+// @jsx: react
+
+// https://github.com/microsoft/TypeScript/issues/61820
+
+// @Filename: /types.d.ts
+//// declare namespace JSX {
+////   interface IntrinsicElements {
+////     'my-el': {
+////       'prop:foo/*3*/': string;
+////     };
+////   }
+//// }
+
+// @filename: /a.tsx
+//// <my-el /*1*/prop:/*2*/foo="bar" />
+
+verify.baselineRename("1");
+verify.baselineRename("2");
+verify.baselineRename("3");
diff --git a/tests/cases/fourslash/renameOnJsxNamespacedName2.ts b/tests/cases/fourslash/renameOnJsxNamespacedName2.ts
new file mode 100644
index 0000000000000..49c3640512fc6
--- /dev/null
+++ b/tests/cases/fourslash/renameOnJsxNamespacedName2.ts
@@ -0,0 +1,21 @@
+/// <reference path="fourslash.ts" />
+
+// @jsx: react
+
+// https://github.com/microsoft/TypeScript/issues/61820
+
+// @Filename: /types.d.ts
+//// declare namespace JSX {
+////   interface IntrinsicElements {
+////     'my-el': {
+////       '__prop:foo/*3*/': string;
+////     };
+////   }
+//// }
+
+// @filename: /a.tsx
+//// <my-el /*1*/__prop:/*2*/foo="bar" />
+
+verify.baselineRename("1");
+verify.baselineRename("2");
+verify.baselineRename("3");