PUA or Pua may refer to:

• Potentially unwanted application, a type of privacy-invasive software
• Private Use Areas, in Unicode
• Pua novaezealandiae, a spider in the family Anapidae
• Pua Aloalo, Hawaiian hibiscus, the state flower of Hawaii
• Pua keni keni, Fagraea berteroana, or perfume flower tree, a small spreading tree which grows in the sub-tropics

• Anti-Communist Unification Party, defunct political party in Guatemala
• Malpua, an Indian dish
• Pandemic Unemployment Assistance, a type of unemployment insurance in the United States tailored specifically toward those who became unemployed due to the COVID-19 pandemic
• Pharos University in Alexandria, Egypt
• Pickup artist, individual practicing certain seduction techniques in pursuit of sexual success
• Primary urban area, definition used for comparing English cities
• Proto-Uto-Aztecan language, hypothesised reconstructed proto-language for the Uto-Aztecan language family
• Pua, Moana's pig in Moana
• Pua District, a district in Thailand
• PUA Publicaciones Universitarias Argentinas, an imprint of VDM Publishing