BA2
BA2 may refer to:

 A postcode district in the BA postcode area, England
 Brain Age 2: More Training in Minutes a Day!, a game
 BA.2, a subvariant of the SARS-CoV-2 virus

See also

 
 BA (disambiguation)
 BAA (disambiguation)
 Baba (disambiguation)
 B2A (disambiguation)
 2BA