2A

2A or II-A may refer to:

• Alberta Highway 2A
• Alpha-2A adrenergic receptor
• Keratin 2A
• Massachusetts Route 2A
• Stalag II-A
• Telecom 2A, a satellite
• the Transcription Factor II A
• the Deutsche Bahn IATA designator
• the Second Amendment to the United States Constitution
• the number of the French department Corse-du-Sud
• a strain of the bacterium Lactobacillus sakei

See also

• A2 (disambiguation)