Highway 2A may refer to:
Canada
- 20px Alberta Highway 2A
- 19x21px Ontario Highway 2A (former)
India
- 25px National Highway 2A (India)
Malaysia
- Persiaran Raja Muda Musa
United States
- 20px U.S. Route 2A
- 20px New England Route 2A (former)
- 20px Connecticut Route 2A
- 20px Massachusetts Route 2A
- 20px 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)
- 20px Vermont Route 2A
;Territories:
- 20px Guam Highway 2A
See also
- List of highways numbered 2