A1A (disambiguation)
A1A may refer to:
- Florida State Road A1A
- A1A (album), a 1974 album by Jimmy Buffett
- Alpha-1 antitrypsin, a protease inhibitor secreted by the liver
- Several branches of A1 motorway in Switzerland numbered as A1a, located separately in Geneva, Lausanne and Vaud
- continuous wave modulation with Morse code.
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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