List of highways numbered 108
Route 108 or Highway 108 can refer to multiple roads:
Canada
China
Costa Rica
India
Japan
Nigeria
Philippines
United Kingdom
- B108 road
United States
- Alabama State Route 108
- * County Route 108
- Arkansas Highway 108
- California State Route 108
- Connecticut Route 108
- Florida State Road 108 (pre-1945)
- Georgia State Route 108
- Illinois Route 108
- Iowa Highway 108
- K-108 (Kansas highway)
- Kentucky Route 108
- Louisiana Highway 108
- Maine State Route 108
- Maryland Route 108
- *Maryland Route 108A
- *Maryland Route 108H
- Massachusetts Route 108
- M-108 (Michigan highway)
- Minnesota State Highway 108
- Missouri Route 108
- Nebraska Highway 108
- New Hampshire Route 108
- County Route 108 (Bergen County, New Jersey)
- New Mexico State Road 108
- New York State Route 108
- * County Route 108 (Cayuga County, New York)
- *County Route 108A (Cortland County, New York)
- **County Route 108B (Cortland County, New York)
- * County Route 108 (Fulton County, New York)
- * County Route 108 (Montgomery County, New York)
- * County Route 108 (Niagara County, New York)
- * County Route 108 (Onondaga County, New York)
- * County Route 108 (Rockland County, New York)
- * County Route 108 (Saratoga County, New York)
- * County Route 108 (Seneca County, New York)
- * County Route 108 (Suffolk County, New York)
- * County Route 108 (Sullivan County, New York)
- * County Route 108 (Wayne County, New York)
- * County Route 108 (Westchester County, New York)
- North Carolina Highway 108
- Ohio State Route 108
- Oklahoma State Highway 108
- Pennsylvania Route 108
- Rhode Island Route 108
- Tennessee State Route 108
- Texas State Highway 108
- * Texas State Highway Loop 108
- * Texas State Highway Spur 108
- ** Texas State Highway Spur 108 (1940–1942)
- * Farm to Market Road 108
- Utah State Route 108
- Vermont Route 108
- Virginia State Route 108
- * Virginia State Route 108 (1923-1928)
- * Virginia State Route 108 (1928-1932)
- Washington State Route 108
- West Virginia Route 108
- Wisconsin Highway 108