diff --git a/runtime/syntax/wdl.vim b/runtime/syntax/wdl.vim
new file mode 100644
index 0000000..3b8369e
--- /dev/null
+++ b/runtime/syntax/wdl.vim
@@ -0,0 +1,41 @@
+" Vim syntax file
+" Language:	wdl
+" Maintainer:	Matt Dunford (zenmatic@gmail.com)
+" URL:		https://github.com/zenmatic/vim-syntax-wdl
+" Last Change:	2022 Nov 24
+
+" https://github.com/openwdl/wdl
+
+" quit when a (custom) syntax file was already loaded
+if exists("b:current_syntax")
+	finish
+endif
+
+syn case match
+
+syn keyword wdlStatement alias task input command runtime input output workflow call scatter import as meta parameter_meta in version
+syn keyword wdlConditional if then else
+syn keyword wdlType struct Array String File Int Float Boolean Map Pair Object
+
+syn keyword wdlFunctions stdout stderr read_lines read_tsv read_map read_object read_objects read_json read_int read_string read_float read_boolean write_lines write_tsv write_map write_object write_objects write_json size sub range transpose zip cross length flatten prefix select_first defined basename floor ceil round
+
+syn region wdlCommandSection start="<<<" end=">>>"
+
+syn region      wdlString            start=+"+ skip=+\\\\\|\\"+ end=+"+
+syn region      wdlString            start=+'+ skip=+\\\\\|\\'+ end=+'+
+
+" Comments; their contents
+syn keyword     wdlTodo              contained TODO FIXME XXX BUG
+syn cluster     wdlCommentGroup      contains=wdlTodo
+syn region      wdlComment           start="#" end="$" contains=@wdlCommentGroup
+
+hi def link wdlStatement      Statement
+hi def link wdlConditional    Conditional
+hi def link wdlType           Type
+hi def link wdlFunctions      Function
+hi def link wdlString         String
+hi def link wdlCommandSection String
+hi def link wdlComment        Comment
+hi def link wdlTodo           Todo
+
+let b:current_syntax = 'wdl'