PUA is a three-lettered abbreviation which may stand for:
- Pickup artist, a man devoted to finding, meeting, attracting, and seducing women as a recreation
- Private Use Area, In the context of Unicode
- Proto-Uto-Aztecan language, hypothesised reconstructed proto-language for the Uto-Aztecan language family
- PUA Publicaciones Universitarias Argentinas: an imprint of VDM Publishing
- Potentially unwanted application, a type of privacy-invasive software
Pua may refer to:
- Pua Aloalo, the state flower of Hawai'i
- Pua keni keni, or Perfume Flower Tree (Fagraea berteriana, named F. berteroana by some) is a small spreading tree or a large shrub which grows in the sub-tropics
- Pua (spider), a genus of spider in the family Micropholcommatidae
- Pua District, a district (Amphoe) in Nan Province, Thailand
- Phuvah, son of Issachar and the Punites' ancestor, in a Bibilical context