List of highways numbered 91

The following highways are numbered 91:

International

 * European route E91

Australia

 * Cairns Western Arterial Road
 * Summerland Way

Brasil

 * SP-91, state highway in Sao Paulo

Canada

 * BC-91.svg British Columbia Highway 91
 * BC-91A.svg British Columbia Highway 91A
 * NL Route 91.svg Newfoundland and Labrador Route 91

China

 * China_Expwy_G91_sign_with_name.svg G91 Expressway

Iran

 * Iran First Level Road 91.png Road 91

Israel

 * ISR-HW-91.svg Highway 91 (Israel)

Italy

 * Autostrada A91 Italia.svg Autostrada A91

Greece

 * Greek National Road 91

Korea, South

 * National Route 91

United States

 * I-91.svg Interstate 91
 * US 91.svg U.S. Route 91
 * Alabama 91.svg Alabama State Route 91
 * Arkansas 91.svg Arkansas Highway 91
 * California 91.svg California State Route 91
 * Colorado 91.svg Colorado State Highway 91
 * Toll Florida 91.svg Florida State Road 91 (unsigned designation for Florida's Turnpike)
 * Georgia 91.svg Georgia State Route 91
 * Georgia 91W (1960).svg Georgia State Route 91W (former)
 * Illinois 91.svg Illinois Route 91
 * Iowa 91.svg Iowa Highway 91
 * Elongated circle 91.svg Kentucky Route 91
 * Louisiana 91.svg Louisiana Highway 91
 * Louisiana 91 (1955).svg Louisiana State Route 91 (former)
 * MA Route 91.svg Maine State Route 91
 * MD Route 91.svg Maryland Route 91
 * Maryland Route 91A (former)
 * M-91.svg M-91 (Michigan highway)
 * MN-91.svg Minnesota State Highway 91
 * St Louis County Route 91 MN.svg County Road 91 (St. Louis County, Minnesota)
 * MO-91.svg Missouri Route 91
 * N-91.svg Nebraska Highway 91
 * N LINK 91D.svg Nebraska Link 91D
 * N SPUR 91A.svg Nebraska Spur 91A
 * N SPUR 91B.svg Nebraska Spur 91B
 * Nevada 91.svg Nevada State Route 91 (1959) (former)
 * Circle sign 91.svg New Jersey Route 91
 * Bergen County 91.svg County Route 91 (Bergen County, New Jersey)
 * New Mexico 91.svg New Mexico State Road 91
 * NY-91.svg New York State Route 91
 * CR 91 jct.svg County Route 91 (Herkimer County, New York)
 * CR 91 jct.svg County Route 91 (Monroe County, New York)
 * CR 91 jct.svg County Route 91 (Niagara County, New York)
 * CR 91 jct.svg County Route 91 (Oneida County, New York)
 * CR 91 jct.svg County Route 91 (Onondaga County, New York)
 * Rensselaer County Route 91 NY.svg County Route 91 (Rensselaer County, New York)
 * Saratoga County Route 91 NY.svg County Route 91 (Saratoga County, New York)
 * CR 91 jct.svg County Route 91 (Schenectady County, New York)
 * Suffolk County Route 91 NY.svg County Route 91 (Suffolk County, New York)
 * Sullivan County Route 91 NY.svg County Route 91 (Sullivan County, New York)
 * NC 91.svg North Carolina Highway 91
 * ND-91 (2015).svg North Dakota Highway 91
 * OH-91.svg Ohio State Route 91
 * Oklahoma State Highway 91.svg Oklahoma State Highway 91
 * PA-91 (1926).svg Pennsylvania Route 91 (former)
 * Rhode Island 91.svg Rhode Island Route 91
 * Secondary Tennessee 91.svg Tennessee State Route 91
 * Texas 91.svg Texas State Highway 91
 * Texas Spur 91.svg Texas State Highway Spur 91
 * Texas FM 91.svg Farm to Market Road 91
 * Utah SR 91.svg Utah State Route 91 (1935–1969) (former)
 * Virginia 91.svg Virginia State Route 91
 * WIS 91.svg Wisconsin Highway 91
 * WY-91.svg Wyoming Highway 91

Vietnam

 * National Road 91 (Vietnam)