diff --git a/README.md b/README.md
index 398d57f..2396fa0 100644
--- a/README.md
+++ b/README.md
@@ -149,6 +149,7 @@ In addition, you will need to have either Treesitter or a working LSP client. Yo
 - editorconfig
 - elixir
 - enforce
+- fennel
 - fish
 - go
 - groovy
diff --git a/lua/aerial/backends/treesitter/extensions.lua b/lua/aerial/backends/treesitter/extensions.lua
index 17658be..fec9926 100644
--- a/lua/aerial/backends/treesitter/extensions.lua
+++ b/lua/aerial/backends/treesitter/extensions.lua
@@ -404,6 +404,25 @@ M.zig = {
   end,
 }
 
+M.fennel = {
+  postprocess = function(bufnr, item, match)
+    local node = node_from_match(match, "symbol")
+    local full_form = get_node_text(node, bufnr)
+
+    if item.kind == "Function" then
+      local name = string.match(full_form, "[λ fn lambda macro] (%S+) %[")
+      item.name = name ~= nil and name or "<Anonymous>"
+    elseif item.kind == "Class" or item.kind == "Struct" then
+      local kind = (item.kind == "Class") and "local" or "var"
+      local query = kind .. " (%S+)"
+      local name = string.match(full_form, query) or "<parse error>"
+      item.name = name
+    else
+      item.name = "<parse error>"
+    end
+  end,
+}
+
 for _, lang in pairs(M) do
   setmetatable(lang, { __index = default_methods })
 end
diff --git a/queries/fennel/aerial.scm b/queries/fennel/aerial.scm
new file mode 100644
index 0000000..8983f8c
--- /dev/null
+++ b/queries/fennel/aerial.scm
@@ -0,0 +1,14 @@
+(lambda_form
+  (#set! "kind" "Function")) @symbol @root
+
+(fn_form
+  (#set! "kind" "Function")) @symbol @root
+
+(macro_form
+  (#set! "kind" "Function")) @symbol @root
+
+(local_form
+  (#set! "kind" "Class")) @symbol @root
+
+(var_form
+  (#set! "kind" "Struct")) @symbol @root
diff --git a/tests/symbols/fennel_test.json b/tests/symbols/fennel_test.json
new file mode 100644
index 0000000..47cbf4d
--- /dev/null
+++ b/tests/symbols/fennel_test.json
@@ -0,0 +1,87 @@
+[
+  {
+    "col": 0,
+    "end_col": 15,
+    "end_lnum": 2,
+    "kind": "Function",
+    "level": 0,
+    "lnum": 1,
+    "name": "foo"
+  },
+  {
+    "col": 0,
+    "end_col": 15,
+    "end_lnum": 5,
+    "kind": "Function",
+    "level": 0,
+    "lnum": 4,
+    "name": "_m__"
+  },
+  {
+    "col": 0,
+    "end_col": 15,
+    "end_lnum": 10,
+    "kind": "Function",
+    "level": 0,
+    "lnum": 7,
+    "name": "bar",
+    "children": [
+      {
+        "col": 2,
+        "end_col": 16,
+        "end_lnum": 8,
+        "kind": "Struct",
+        "level": 1,
+        "lnum": 8,
+        "name": "test"
+      },
+      {
+        "col": 2,
+        "end_col": 24,
+        "end_lnum": 9,
+        "kind": "Function",
+        "level": 1,
+        "lnum": 9,
+        "name": "foo->bar?!"
+      }
+    ]
+  },
+  {
+    "col": 0,
+    "end_col": 15,
+    "end_lnum": 13,
+    "kind": "Function",
+    "level": 0,
+    "lnum": 12,
+    "name": "_G.baz"
+  },
+  {
+    "col": 0,
+    "end_col": 34,
+    "end_lnum": 15,
+    "kind": "Class",
+    "level": 0,
+    "lnum": 15,
+    "name": "!Aa3?+-*/<=>$%^_",
+    "children": [
+      {
+        "col": 24,
+        "end_col": 33,
+        "end_lnum": 15,
+        "kind": "Function",
+        "level": 1,
+        "lnum": 15,
+        "name": "<Anonymous>"
+      }
+    ]
+  },
+  {
+    "col": 0,
+    "end_col": 30,
+    "end_lnum": 16,
+    "kind": "Function",
+    "level": 0,
+    "lnum": 16,
+    "name": "!Aa3?+-*/<=>$%^_"
+  }
+]
diff --git a/tests/treesitter/fennel_test.fnl b/tests/treesitter/fennel_test.fnl
new file mode 100644
index 0000000..ced3e3d
--- /dev/null
+++ b/tests/treesitter/fennel_test.fnl
@@ -0,0 +1,16 @@
+(fn foo []
+  (print :foo))
+
+(macro _m__ []
+  `(+ 1 2 3 4))
+
+(λ bar []
+  (var test nil)
+  (fn foo->bar?! [] nil)
+  (print :bar))
+
+(lambda _G.baz []
+  (print :baz))
+
+(local !Aa3?+-*/<=>$%^_ (fn [] 1))
+(lambda !Aa3?+-*/<=>$%^_ [] 2)