The following highways are numbered 363:

Canada

• Manitoba Provincial Road 363
• New Brunswick Route 363
• Newfoundland and Labrador Route 363
• Quebec Route 363
• Saskatchewan Highway 363

Japan

• Japan National Route 363

United States

• Arkansas Highway 363
• Florida State Road 363
• Georgia State Route 363 (former)
  • Georgia State Route 363 Spur (former)
• Maryland Route 363
• New York State Route 363 (disambiguation)
• Ohio State Route 363
• Pennsylvania Route 363
• Puerto Rico Highway 363
• South Carolina Highway 363
• Texas:
  • Texas State Highway 363
  • Farm to Market Road 363
• Virginia State Route 363