List of highways numbered 122

• Alabama State Route 122
• Arkansas Highway 122
• California State Route 122
• Connecticut Route 122
• County Road 122 (Baker County, Florida)
• County Road 122 (Hennepin County, Minnesota)
• County Route 122 (Erie County, New York)
• County Route 122 (Fulton County, New York)
• County Route 122 (Jefferson County, New York)
• County Route 122 (Montgomery County, New York)
• County Route 122 (Niagara County, New York)
• County Route 122 (Onondaga County, New York)
• County Route 122 (Rensselaer County, New York)
• County Route 122 (Steuben County, New York)
• County Route 122 (Tompkins County, New York)
• Farm to Market Road 122
• Florida State Road 122
• Georgia State Route 122
• Hawaii Route 122
• Illinois Route 122
• Indiana State Road 122
• Iowa Highway 122
• Japan National Route 122
• K-122 (Kansas highway)
• Kentucky Route 122
• Louisiana Highway 122
• M-122 (Michigan highway)
• Maine State Route 122
• Maryland Route 122
• Massachusetts Route 122
• Massachusetts Route 122A
• Minnesota State Highway 122
• Missouri Route 122
• National Highway 122 (India)
• National Route 122 (Costa Rica)
• New Brunswick Route 122
• New Hampshire Route 122
• New Jersey Route 122
• New Mexico State Road 122
• New York State Route 122
• North Carolina Highway 122
• Ohio State Route 122
• Ontario Highway 122
• Prince Edward Island Route 122
• Puerto Rico Highway 122
• Quebec Route 122
• Rhode Island Route 122
• South Carolina Highway 122
• Tennessee State Route 122
• Texas State Highway 122
• Texas State Highway Spur 122
• U.S. Route 122 (disambiguation)
• Utah State Route 122
• Vermont Route 122
• Virginia State Route 122
• Virginia State Route 122 (1923-1925)
• Virginia State Route 122 (1925-1928)
• Virginia State Route 122 (1928-1933)
• Washington State Route 122
• West Virginia Route 122
• Wisconsin Highway 122