The following highways are numbered 37:

• Newcastle Inner City Bypass
• Nubeena Road (TAS)
• Fitzsimons Lane / Williamsons Road (VIC)

• Alberta Highway 37
• British Columbia Highway 37
• Winnipeg Route 37
• Ontario Highway 37
• Saskatchewan Highway 37
• Yukon Highway 37

• I/37 Highway; Czech: Silnice I/37

• Route 37 (Iceland)

• National Highway 37 (India)

• Road 37

• Strada statale 37 del Maloja

• Japan National Route 37

• Second Jungbu Expressway
• National Route 37
• Gukjido 37

• New Zealand State Highway 37

• National road 37

• A37 (Great Britain)
• A37 (Coleraine-Limavady, Northern Ireland)
• A37 (Cullaville, Northern Ireland)

• Interstate 37
  • Interstate 37 (Illinois) (former proposal)
• U.S. Route 37 (former)
• Alabama State Route 37
• Arkansas Highway 37
• California State Route 37
  • County Route J37 (California)
• Colorado State Highway 37 (former)
• Connecticut Route 37
• Delaware Route 37
• Florida State Road 37
• Georgia State Route 37
• Hawaii Route 37
• Idaho State Highway 37
• Illinois Route 37
• Indiana State Road 37
• Iowa Highway 37
• K-37 (Kansas highway)
• Kentucky Route 37 (former)
• Louisiana Highway 37
• Maine State Route 37
• Maryland Route 37 (former)
• Massachusetts Route 37
  • Massachusetts Route C37 (former)
• M-37 (Michigan highway)
• Minnesota State Highway 37
  • County Road 37 (Cass County, Minnesota)
  • County Road 37 (Ramsey County, Minnesota)
  • County Road 37 (St. Louis County, Minnesota)
• Mississippi Highway 37
• Missouri Route 37
• Montana Highway 37
• Nebraska Highway 37 (former)
• Nevada State Route 37 (former)
• New Jersey Route 37
  • County Route 37 (Bergen County, New Jersey)
    • County Route S37 (Bergen County, New Jersey)
  • County Route 37 (Monmouth County, New Jersey)
• New Mexico State Road 37
• New York State Route 37
  • County Route 37 (Broome County, New York)
  • County Route 37 (Chautauqua County, New York)
  • County Route 37 (Chemung County, New York)
  • County Route 37 (Chenango County, New York)
  • County Route 37 (Delaware County, New York)
  • County Route 37 (Dutchess County, New York)
  • County Route 37 (Erie County, New York)
  • County Route 37 (Franklin County, New York)
  • County Route 37 (Jefferson County, New York)
  • County Route 37 (Oneida County, New York)
  • County Route 37 (Ontario County, New York)
  • County Route 37 (Orleans County, New York)
  • County Route 37 (Oswego County, New York)
  • County Route 37 (Putnam County, New York)
  • County Route 37 (Rensselaer County, New York)
  • County Route 37 (Rockland County, New York)
  • County Route 37 (Schenectady County, New York)
  • County Route 37 (St. Lawrence County, New York)
  • County Route 37 (Steuben County, New York)
  • County Route 37 (Suffolk County, New York)
  • County Route 37 (Washington County, New York)
• North Carolina Highway 37
• North Dakota Highway 37
• Ohio State Route 37
• Oklahoma State Highway 37
• Oregon Route 37
• Pennsylvania Route 37 (former)
• Rhode Island Route 37
• South Carolina Highway 37
• South Dakota Highway 37
• Tennessee State Route 37
• Texas State Highway 37
  • Texas State Highway Loop 37 (former)
  • Texas State Highway Spur 37
  • Farm to Market Road 37
  • Texas Park Road 37
• Utah State Route 37
• Virginia State Route 37
  • Virginia State Route 37 (former)
• West Virginia Route 37
• Wisconsin Highway 37
• Wyoming Highway 37

Territories

• Puerto Rico Highway 37
• U.S. Virgin Islands Highway 37

• A37#Roads
• List of highways numbered 37A