The following highways are numbered 336:

Australia

Canada

• Manitoba Provincial Road 336
• Nova Scotia Route 336
• Prince Edward Island Route 336

Costa Rica

• National Route 336

India

• National Highway 336 (India)

Italy

• State road 336

Japan

• Japan National Route 336

United States

• Arkansas Highway 336
• Florida:
  • County Road 336 (Levy County, Florida)
  • County Road 336 (Marion County, Florida)
• Georgia State Route 336 (former)
• Illinois Route 336
• Louisiana Highway 336
  • Louisiana Highway 336-1
  • Louisiana Highway 336-2
• Maryland Route 336
• Minnesota State Highway 336
• New York:
  • New York State Route 336
  • County Route 336 (Erie County, New York)
• Puerto Rico Highway 336
• South Carolina Highway 336
• Tennessee State Route 336
• Texas:
  • Texas State Highway 336
  • Texas State Highway Loop 336
• Virginia State Route 336
• Wyoming Highway 336