Highway 2A may refer to:
Canada Alberta Highway 2A Ontario Highway 2A (former)
India National Highway 2A (India)
Malaysia Persiaran Raja Muda Musa
United States U.S. Route 2A New England Route 2A (former) Connecticut Route 2A Massachusetts Route 2A Nevada State Route 2A New York State Route 2A (mid-1920s–1927) New York State Route 2A (1930–1939) New York State Route 2A (1939 – early 1940s) Vermont Route 2A
Territories Guam Highway 2A
See also List of highways numbered 2