The following highways are numbered 239:

Australia

Borung Highway

Canada

• Manitoba Provincial Road 239
• Newfoundland and Labrador Route 239
• Nova Scotia Route 239
• Prince Edward Island Route 239
• Quebec Route 239

Costa Rica

• National Route 239

Japan

• Japan National Route 239

United States

• Arkansas Highway 239
  • Arkansas Highway 239 Spur
• Alabama State Route 239
• California State Route 239
• Colorado State Highway 239
• Florida State Road 239 (former)
• Georgia State Route 239 (former)
• Iowa Highway 239 (former)
• K-239 (Kansas highway)
• Kentucky Route 239
• Maryland Route 239
• M-239 (Michigan highway)
• Montana Secondary Highway 239
• New York State Route 239 (former)
• Ohio State Route 239
• Pennsylvania Route 239
• South Dakota Highway 239
• Tennessee State Route 239
• Texas State Highway 239
  • Texas State Highway Loop 239
  • Texas State Highway Spur 239
• Utah State Route 239 (former)
• Virginia State Route 239
• Wyoming Highway 239