CA3 may refer to:
- Carbonic anhydrase III, muscle specific, a human gene
- Cornu Ammonis region 3, one of the hippocampal subfields
- United States Court of Appeals for the Third Circuit
CA-3 may refer to:
- Buhl-Verville CA-3 Airster
- Buhl CA-3 Airsedan
- CAC CA-3 Wirraway
- California's 3rd congressional district
- California State Route 3
Ca.3 may refer to :
- Caproni Ca.3, an Italian heavy bomber of World War I and the post-war era
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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If an internal link led you here, you may wish to change the link to point directly to the intended article.