List of highways numbered 431
Route 431, or Highway 431, may refer to:
Canada
- Newfoundland and Labrador Route 431
Cuba
- Callejero de Reparto Universitario
Hungary
- Main road 431 (Hungary)
India
- National Highway 431 (India)
Israel
- Highway 431 (Israel)
Japan
- Japan [National Route 431]
United States
- U.S. Route 431
- Florida:
- * Florida [State Road 431]
- ** Florida State Road 431B
- * County Road 431 (Seminole County, Florida)
- * County Road 431B (Seminole County, Florida)
- Indiana State Road 431
- Iowa Highway 431
- Nevada [State Route 431]
- New York State Route 431
- Puerto Rico Highway 431
- Tennessee State Route 431
- Texas:
- * Texas [State Highway Loop 431]
- * Farm to Market Road 431
- Washington State Route 431
- Wyoming Highway 431