List of highways numbered 338
Route 338, or Highway 338, may refer to:
Australia
Canada
- Manitoba Provincial Road 338
- Prince Edward Island Route 338
- Quebec Route 338
Hungary
- Main road 338
Japan
- Japan National Route 338
Thailand
- Highway 338
United Kingdom
- A338 road, Bournemouth, Dorset to Besselsleigh
United States
- Georgia State Route 338
- Kentucky Route 338
- Maryland Route 338
- Nevada State Route 338
- New Mexico State Road 338
- New York:
- * New York State Route 338
- * County Route 338
- * County Route 338
- * County Route 338
- Ohio State Route 338
- * Ohio State Route 338J
- Pennsylvania Route 338
- Puerto Rico Highway 338
- Tennessee State Route 338
- Texas:
- * Texas State Highway 338
- * Texas State Highway Loop 338
- Virginia State Route 338
- Wyoming Highway 338