List of highways numbered 347

Australia

Canada

• Manitoba Provincial Road 347
• Nova Scotia Route 347
• Prince Edward Island Route 347
• Quebec Route 347

  India

• National Highway 347

  Japan

• Japan National Route 347

  United Kingdom

• A347 road, Ferndown to Bournemouth, Dorset

  United States

• Arizona State Route 347
• Arkansas Highway 347
• Colorado State Highway 347
• County Road 347
• Georgia State Route 347
• Maryland Route 347
• Mississippi Highway 347
• New Jersey Route 347
• New Mexico State Road 347
• New York:
• * New York State Route 347
• * County Route 347
• Ohio State Route 347
• Pennsylvania Route 347
• Puerto Rico Highway 347
• Tennessee State Route 347
• Texas State Highway 347
• Virginia State Route 347