diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 7b0014d..36461f6 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -2430,6 +2430,9 @@
 " Sratus VOS command macro
 au BufNewFile,BufRead *.cm			setf voscm
 
+" Sway (programming language)
+au BufNewFile,BufRead *.sw			setf sway
+
 " Swift
 au BufNewFile,BufRead *.swift,*.swiftinterface	setf swift
 au BufNewFile,BufRead *.swift.gyb		setf swiftgyb
diff --git a/runtime/ftplugin/sway.vim b/runtime/ftplugin/sway.vim
new file mode 100644
index 0000000..35970b2
--- /dev/null
+++ b/runtime/ftplugin/sway.vim
@@ -0,0 +1,15 @@
+" Vim filetype plugin
+" Language:	Sway
+" Maintainer:	Riley Bruins <ribru17@gmail.com>
+" Last Change:	2024 Nov 01
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setl commentstring=//\ %s
+" From Rust comments
+setl comments=s0:/*!,ex:*/,s1:/*,mb:*,ex:*/,:///,://!,://
+
+let b:undo_ftplugin = 'setl com< cms<'