The following highways are numbered 319:

Brazil

• BR-319

Canada

• Manitoba Provincial Road 319
• Prince Edward Island Route 319

China

• China National Highway 319

Costa Rica

• National Route 319

Germany

• Bundesstraße 319

India

• National Highway 319 (India)

Japan

• Japan National Route 319

United Kingdom

• A319 road

United States

• U.S. Route 319
• Arkansas Highway 319
• Connecticut Route 319
• Georgia State Route 319 (former)
• Indiana State Road 319 (former)
• Louisiana Highway 319
• Maryland Route 319 (former)
• Montana Secondary Highway 319
• Nevada State Route 319
• New York State Route 319 (former)
• Ohio State Route 319
• Pennsylvania Route 319 (former)
• Puerto Rico Highway 319
• South Carolina Highway 319
• Tennessee State Route 319
• Texas:
  • Texas State Highway 319 (former)
  • Texas State Highway Loop 319 (former)
  • Farm to Market Road 319
• Utah State Route 319
• Virginia State Route 319
• Wyoming Highway 319
  • 
    Wyoming Highway 319 Spur (unsigned)