diff --git a/frontend/static/layouts/tamil99.json b/frontend/static/layouts/tamil99.json
new file mode 100644
index 000000000000..7331df0ed416
--- /dev/null
+++ b/frontend/static/layouts/tamil99.json
@@ -0,0 +1,62 @@
+{
+  "keymapShowTopRow": false,
+  "type": "ansi",
+  "keys": {
+    "row1": [
+      ["`", "~"],
+      ["1", "!"],
+      ["2", "@"],
+      ["3", "#"],
+      ["4", "$"],
+      ["5", "%"],
+      ["6", "^"],
+      ["7", "&"],
+      ["8", "*"],
+      ["9", "("],
+      ["0", ")"],
+      ["-", "_"],
+      ["=", "+"]
+    ],
+    "row2": [
+      ["ஆ", "ஸ"],
+      ["ஈ", "ஷ"],
+      ["ஊ", "ஜ"],
+      ["ஐ", "ஹ"],
+      ["ஏ"],
+      ["ள"],
+      ["ற", "ஶ"],
+      ["ன", ":"],
+      ["ட", "["],
+      ["ண", "]"],
+      ["ச", "{"],
+      ["ஞ", "}"],
+      ["\\", "|"]
+    ],
+    "row3": [
+      ["அ", "௹"],
+      ["இ", "௺"],
+      ["உ", "௸"],
+      ["்", "ஃ"],
+      ["எ", "எ"],
+      ["க", "க"],
+      ["ப", "ப"],
+      ["ம", "\""],
+      ["த", "௱"],
+      ["ந", ";"],
+      ["ய", "'"]
+    ],
+    "row4": [
+      ["ஔ", "௳"],
+      ["ஓ", "௴"],
+      ["ஒ", "௵"],
+      ["வ", "௶"],
+      ["ங", "௷"],
+      ["ல", "ௐ"],
+      ["ர", "/"],
+      [",", "<"],
+      [".", ">"],
+      ["ழ", "?"]
+    ],
+    "row5": [[" "]]
+  }
+}
diff --git a/packages/schemas/src/layouts.ts b/packages/schemas/src/layouts.ts
index 9cc82b0e400f..94de81ef32df 100644
--- a/packages/schemas/src/layouts.ts
+++ b/packages/schemas/src/layouts.ts
@@ -231,6 +231,7 @@ export const LayoutNameSchema = z.enum(
     "persian_farsi_colemak",
     "persian_standard_colemak",
     "ergo_split46",
+    "tamil99",
   ],
   {
     errorMap: customEnumErrorHandler("Must be a supported layout"),