CPA4 may refer to:
- CPA4 (gene)
- Simcoe (Dennison Field) Airport, Ontario, Canada: Transport Canada Location Indicator CNN3
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.