diff --git a/runtime/queries/groq/highlights.scm b/runtime/queries/groq/highlights.scm
new file mode 100644
index 000000000..01526475f
--- /dev/null
+++ b/runtime/queries/groq/highlights.scm
@@ -0,0 +1,232 @@
+;; Tree-sitter highlights for GROQ language
+;; This file defines syntax highlighting for GROQ in Neovim
+
+;; Keywords
+"select" @keyword
+"asc" @keyword
+"desc" @keyword
+"in" @keyword.operator
+"match" @keyword.operator
+
+;; Operators
+"==" @operator
+"!=" @operator
+">" @operator
+">=" @operator
+"<" @operator
+"<=" @operator
+"&&" @operator
+"||" @operator
+"!" @operator
+"+" @operator
+"-" @operator
+"*" @operator
+"/" @operator
+"%" @operator
+"**" @operator
+".." @operator
+"..." @operator
+"=>" @operator
+"->" @operator
+"|" @operator
+
+;; Punctuation
+"(" @punctuation.bracket
+")" @punctuation.bracket
+"[" @punctuation.bracket
+"]" @punctuation.bracket
+"{" @punctuation.bracket
+"}" @punctuation.bracket
+"," @punctuation.delimiter
+":" @punctuation.delimiter
+"." @punctuation.delimiter
+
+;; Literals
+(string) @string
+(number) @number
+(true) @boolean
+(false) @boolean
+(null) @constant.builtin
+
+;; Special references
+(star) @constant.builtin
+(parent) @constant.builtin
+(this) @constant.builtin
+
+;; Identifiers
+(identifier) @variable
+
+;; Parameters
+(parameter) @variable.parameter
+
+;; Function calls
+(function_call
+  (identifier) @function)
+
+(order_function
+  "order" @function.builtin)
+
+;; Comments
+(comment) @comment
+
+;; Projections and objects
+(projection
+  "{" @punctuation.bracket
+  "}" @punctuation.bracket)
+
+(object
+  "{" @punctuation.bracket
+  "}" @punctuation.bracket)
+
+;; Conditional projections
+(conditional_projection
+  "=>" @operator)
+
+;; Select statements
+(select_statement
+  "..." @operator
+  "select" @keyword
+  "=>" @operator)
+
+;; Spread operators
+(spread_operator
+  "..." @operator)
+
+;; Array access
+(attribute_access
+  "." @punctuation.delimiter)
+
+;; String keys in projections/objects
+(pair
+  (literal (string) @property))
+
+;; Highlight field names in projections
+(projection (identifier) @property)
+
+;; Built-in functions (essential GROQ functions)
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "count"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "length"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "defined"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "references"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "now"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "dateTime"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "coalesce"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "unique"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "max"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "min"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "sum"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "avg"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "round"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "floor"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "ceil"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "abs"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "sqrt"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "upper"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "lower"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "string"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "number"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "boolean"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "array"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "object"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "type"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "global"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "sanity"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "path"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "delta"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "after"))
+
+(function_call
+  (identifier) @function.builtin
+  (#eq? @function.builtin "before"))
+
+;; Error highlighting
+(ERROR) @error
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