List of highways numbered 266

The following highways are numbered 266:

Canada

 * Manitoba Provincial Road 266
 * Prince Edward Island Route 266

Japan

 * Japanese National Route Sign 0266.svg Japan National Route 266

United States

 * I-266.svg Interstate 266 (unbuilt)
 * US 266.svg U.S. Route 266
 * Arizona 266.svg Arizona State Route 266
 * Arkansas 266.svg Arkansas Highway 266
 * California 266.svg California State Route 266
 * Colorado 266.svg Colorado State Highway 266
 * Georgia 266.svg Georgia State Route 266
 * Indiana 266.svg Indiana State Road 266
 * Iowa 266.svg Iowa Highway 266 (former)
 * K-266.svg K-266 (Kansas highway)
 * Elongated circle 266.svg Kentucky Route 266
 * MN-266.svg Minnesota State Highway 266 (former)
 * MO-266.svg Missouri Route 266
 * Nevada 266.svg Nevada State Route 266
 * New Mexico 266.svg New Mexico State Road 266
 * NY-266.svg New York State Route 266
 * OH-266.svg Ohio State Route 266
 * Oklahoma State Highway 266.svg Oklahoma State Highway 266
 * PA-266 (1948).svg Pennsylvania Route 266 (former)
 * South Carolina 266.svg South Carolina Highway 266
 * Secondary Tennessee 266.svg Tennessee State Route 266
 * Texas 266.svg Texas State Highway 266 (former)
 * Texas Loop 266.svg Texas State Highway Loop 266
 * Texas FM 266.svg Farm to Market Road 266 (Texas)
 * Utah SR 266.svg Utah State Route 266