Route 155 or Highway 155 may refer to:

Canada

• Prince Edward Island Route 155 (Thompson Road)
• Quebec Route 155
• Saskatchewan Highway 155
• Winnipeg Route 155

Costa Rica

• National Route 155

Japan

• Japan National Route 155

United States

• Interstate 155
• U.S. Route 155 (former proposal)
• Alabama State Route 155
• Arkansas Highway 155
• California State Route 155
• Connecticut Route 155
• Florida State Road 155
• Georgia State Route 155
• Illinois Route 155
• Kentucky Route 155
• Louisiana Highway 155
• Maine State Route 155
• Maryland Route 155
• M-155 (Michigan highway)
• New Hampshire Route 155
  • New Hampshire Route 155A
• New Jersey Route 155 (former)
• New York State Route 155
• Ohio State Route 155
• Pennsylvania Route 155
• Tennessee State Route 155
• Texas State Highway 155
  • Texas State Highway Loop 155
  • Farm to Market Road 155 (Texas)
• Utah State Route 155
• Vermont Route 155
• Virginia State Route 155
• Washington State Route 155
• Wisconsin Highway 155

Territories

• Puerto Rico Highway 155

This article includes a list of roads, streets, highways, or other routes that are associated with the same title.
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