List of highways numbered 15A

United States

• Florida [State Road 15A]
• * County [Road 15A (Volusia County, Florida)]
• Nebraska [Spur 15A]
• New York [State Route 15A]
• * County [Route 15A (Cayuga County, New York)]
• * County Route 15A (Genesee County, New York)
• South [Dakota Highway 15A]
• Vermont Route 15A
• Secondary [State Highway 15A (Washington)]