The following roads are numbered 237:

Canada

• Manitoba Provincial Road 237
• Newfoundland and Labrador Route 237
• Prince Edward Island Route 237
• Quebec Route 237

Costa Rica

• National Route 237

Ireland

• R237 regional road

Japan

• Japan National Route 237

United States

• Alabama State Route 237
• California State Route 237
• Florida State Road 237 (former)
• Georgia State Route 237
• Indiana State Road 237
• K-237 (Kansas highway)
• Kentucky Route 237
• Maine State Route 237
• Maryland Route 237
• Minnesota State Highway 237
• New Mexico State Road 237
• New York State Route 237
• Ohio State Route 237
• Oregon Route 237
• Pennsylvania Route 237 (former)
• Tennessee State Route 237
• Texas State Highway 237
  • Texas State Highway Loop 237 (former)
  • Texas State Highway Spur 237 (former)
  • Texas Farm to Market Road 237
• Utah State Route 237 (former)
• Virginia State Route 237
• Washington State Route 237 (former)
• Wyoming Highway 237