List of highways numbered 431

Route 431, or Highway 431, may refer to:

Canada

 * Newfoundland and Labrador Route 431

Hungary

 * 431 (Hu) Otszogletu zold tabla.svg Main road 431 (Hungary)

India

 * NH431-IN.svg National Highway 431 (India)

Israel

 * Highway 431 (Israel)

Japan

 * Japanese National Route Sign 0431.svg Japan National Route 431

United States

 * US 431.svg U.S. Route 431
 * Florida:
 * Florida 431.svg Florida State Road 431
 * Florida State Road 431B (former)
 * County Road 431 (Seminole County, Florida)
 * County Road 431B (Seminole County, Florida)
 * Indiana 431.svg Indiana State Road 431 (former)
 * Iowa 431.svg Iowa Highway 431 (former)
 * Nevada 431.svg Nevada State Route 431
 * NY-431.svg New York State Route 431
 * Ellipse sign 431.svg Puerto Rico Highway 431
 * Secondary Tennessee 431.svg Tennessee State Route 431
 * Texas:
 * Texas Loop 431.svg Texas State Highway Loop 431
 * Texas FM 431.svg Farm to Market Road 431
 * WA-431.svg Washington State Route 431
 * WY-431.svg Wyoming Highway 431