List of highways numbered 266

Canada

• Manitoba Provincial Road 266
• Prince Edward Island Route 266

  Japan

• Japan National Route 266

  United Kingdom

• road
• B266 road

  United States

• Interstate 266
• U.S. Route 266
• Arizona State Route 266
• Arkansas Highway 266
• California State Route 266
• Colorado State Highway 266
• Georgia State Route 266
• Indiana State Road 266
• Iowa Highway 266
• K-266
• Kentucky Route 266
• Minnesota State Highway 266
• Missouri Route 266
• Nevada State Route 266
• New Mexico State Road 266
• New York State Route 266
• Ohio State Route 266
• Oklahoma State Highway 266
• Pennsylvania Route 266
• South Carolina Highway 266
• Tennessee State Route 266
• Texas State Highway 266
• * Texas State Highway Loop 266
• * Farm to Market Road 266
• Utah State Route 266