List of highways numbered 12A

India

• National [Highway 12A (India)]

United States

• New [England Interstate Route 12A]
• County Road 12A (Gadsden [County, Florida)]
• * County Road 12A (Liberty County, Florida)
• Nebraska Spur 12A
• New Hampshire Route 12A
• County Route 12A (Monmouth County, New Jersey)
• New [York State Route 12A]
• * County Route 12A (Chenango County, New York)
• Vermont Route 12A
• Secondary [State Highway 12A (Washington)]