diff --git a/README.md b/README.md
index ed7ff016..dbb2b445 100644
--- a/README.md
+++ b/README.md
@@ -63,6 +63,7 @@ Supported languages
 * **Ledger** ([*ledger-mode*](https://github.com/ledger/ledger-mode))
 * **Lua** ([*lua-fmt*](https://github.com/trixnz/lua-fmt), [stylua](https://github.com/JohnnyMorganz/StyLua),  [*prettier plugin*](https://github.com/prettier/plugin-lua))
 * **Markdown** ([*prettier*](https://prettier.io/), [*prettierd*](https://github.com/fsouza/prettierd), [*deno*](https://deno.land/manual/tools/formatter))
+* **Meson** ([*muon fmt*](https://sr.ht/~lattis/muon/))
 * **Nginx** ([*nginxfmt*](https://github.com/slomkowski/nginx-config-formatter))
 * **Nix** ([*nixpkgs-fmt*](https://github.com/nix-community/nixpkgs-fmt), [*nixfmt*](https://github.com/serokell/nixfmt),
 [*alejandra*](https://github.com/kamadorueda/alejandra))
diff --git a/format-all.el b/format-all.el
index cdef5f43..a5609b7d 100644
--- a/format-all.el
+++ b/format-all.el
@@ -64,6 +64,7 @@
 ;; - Ledger (ledger-mode)
 ;; - Lua (lua-fmt, stylua, prettier plugin)
 ;; - Markdown (prettier, prettierd, deno)
+;; - Meson (muon fmt)
 ;; - Nginx (nginxfmt)
 ;; - Nix (nixpkgs-fmt, nixfmt, alejandra)
 ;; - OCaml (ocp-indent, ocamlformat)
@@ -166,6 +167,7 @@
     ("Literate Haskell" brittany)
     ("Lua" lua-fmt)
     ("Markdown" prettier)
+    ("Meson" muon-fmt)
     ("Nix" nixpkgs-fmt)
     ("Objective-C" clang-format)
     ("OCaml" ocp-indent)
@@ -1056,6 +1058,13 @@ Consult the existing formatters for examples of BODY."
            (list)))
     "-")))
 
+(define-format-all-formatter muon-fmt
+  (:executable "muon")
+  (:install (macos "brew install muon"))
+  (:languages "Meson")
+  (:features)
+  (:format (format-all--buffer-easy executable "fmt" "-")))
+
 (define-format-all-formatter nginxfmt
   (:executable "nginxfmt")
   (:install  "pip install nginxfmt")