Aga or AGA may refer to:
Dame Agatha Mary Clarissa Christie, Lady Mallowan, DBE (née Miller; 15 September 1890 – 12 January 1976) was an English crime novelist, short story writer and playwright.
Prince Shah Karim Al Hussaini, Aga Khan IV, KBE, CC (Arabic: شاه كريم الحسيني، الآغاخان الرابع; Persian: شاه کریم حسینی، آقاخان چهارم; Aga Khan is also transliterated as Aqa Khan and Agha Khan; born 13 December 1936) is the 49th and current Imam of Nizari Ismailism, a denomination of Isma'ilism within Shia Islam consisting of an estimated 25 million adherents (about 20% of the world's Shia Muslim population).
Agastya is a revered Vedic sage of Hinduism. In the Indian traditions, he is a noted recluse and an influential scholar in diverse languages of the Indian subcontinent.
For the international crisis of 1911 see Agadir Crisis
"Against All Odds (Take a Look at Me Now)" (also titled "Against All Odds") is a song by English drummer, singer and songwriter Phil Collins.
Agartala /əɡərtəˈlɑː/ (Bengali: আগরতলা Agortola) is the capital as well as the largest city of the Indian state of Tripura and also is the third largest city in North-east India after Imphal, both in municipal area and population.
Agaricus bisporus is an edible basidiomycete mushroom native to grasslands in Europe and North America.
Agatha Christie's Poirot is a British mystery drama television series that aired on ITV from 8 January 1989 to 13 November 2013. David Suchet stars as the eponymous detective, Agatha Christie's fictional Hercule Poirot.
Against All Will is a rock quartet from Los Angeles, California, whose debut album lineup was formed in Spring 2009 by Jimmy Allen (formerly of Puddle of Mudd), Jeff Current (formerly of Seven Story Drop), Steve "Boomstick" Wilson (formerly of Dead Kennedys and t.A.T.u.), and Cello Dias (formerly of Soulfly).