List of highways numbered 135
- Alabama State Route 135
- Arkansas Highway 135
- BR-135
- California State Route 135
- Colorado State Highway 135
- Connecticut Route 135
- County Road 135 (Columbia County, Florida)
- County Road 135 (Hamilton County, Florida)
- County Route 135 (Herkimer County, New York)
- County Route 135 (Niagara County, New York)
- County Route 135 (Schenectady County, New York)
- County Route 135 (Tompkins County, New York)
- County Route 135 (Westchester County, New York)
- Farm to Market Road 135
- Georgia State Route 135
- Hawaii Route 135
- Illinois Route 135
- Indiana State Road 135
- Interstate 135
- Iowa Highway 135
- Japan National Route 135
- K-135 (Kansas highway)
- Kentucky Route 135
- Lee County, Alabama
- Louisiana Highway 135
- M-135 (Michigan highway)
- Maine State Route 135
- Maryland Route 135
- Massachusetts Route 135
- Minnesota State Highway 135
- Missouri Route 135
- Montana Highway 135
- National Highway 135 (India)
- National Route 135 (Costa Rica)
- Nebraska Highway 135
- New Brunswick Route 135
- New Hampshire Route 135
- New York State Route 135
- North Carolina Highway 135
- Ohio State Route 135
- Oklahoma State Highway 135
- Ontario Highway 135
- Pennsylvania Route 135
- Prince Edward Island Route 135
- Puerto Rico Highway 135
- Saskatchewan Highway 135
- South Carolina Highway 135
- Tennessee State Route 135
- Texas State Highway 135
- Texas State Highway Spur 135
- Utah State Route 135
- Utah State Route 135 (1933-1969)
- Utah State Route 135 (1969-1992)
- Virginia State Route 135
- Virginia State Route 135 (1930-1933)
- Virginia State Route 135 (1933-1945)
- Winnipeg Route 135
- Wisconsin Highway 135
- Wyoming Highway 135