QA or qa may refer to:
Qatar (, (listen), or (listen); Arabic: قطر Qatar [ˈqɑtˤɑr]; local vernacular pronunciation: [ˈɡɪtˤɑr]), officially the State of Qatar (Arabic: دولة قطر Dawlat Qatar), is a country located in Western Asia, occupying the small Qatar Peninsula on the northeastern coast of the Arabian Peninsula.
Qantas Airways (; ASX: QAN) is the flag carrier of Australia and its largest airline by fleet size, international flights and international destinations.
Qatar Airways Company Q.C.S.C. (Arabic: القطرية, al-Qaṭariya), operating as Qatar Airways, is the state-owned flag carrier of Qatar.
QAnon () is a far-right conspiracy theory detailing a supposed secret plot by an alleged "deep state" against U.S.
A qanāt (Arabic: قناة) or kārīz (Persian: کاریز) is a gently sloping underground channel to transport water from an aquifer or water well to surface for irrigation and drinking.
Qaboos bin Said Al Said (Arabic: قابوس بن سعيد آلسعيد, IPA: [ˈqaːbuːs bɪn ˈsaʕiːd ʔaːl ˈsaʕiːd]; born 18 November 1940) is the Sultan of Oman.
Qarabağ Futbol Klubu, commonly known as Qarabağ (pronounced [ɡɑɾɑbɑ'ɣ]) is an Azerbaijani football club playing in the Azerbaijan Premier League.