Aka or AKA may refer to:
- a.k.a. ("also known as," for author pseudonyms, aliases, nicknames, working names, legalized names, pen names, noms de plume, maiden names... etc.)
- Organizations
- Aka in burmese martial arts
- a.k.a. Cartoon, Canadian animation company
- Aga Khan Academy
- Alpha Kappa Alpha
- American Kickboxing Academy
- Australian Koi Association, a group which promotes the protection, preservation and improvement of Koi in Australia.
- American Killifish Association, an association of killifish growers and breeders.
- Australian Karting Association
- Culture
- Aka language
- Aka (Pygmy tribe) in Africa
- Aka (sailing)
- Aka (tribe), in Arunachal Pradesh, India
- Aka (burmese), in Burmese martial arts
- Media
- AKA Three piece all girl band MIAMI FL www.myspace.com/aka
- A.K.A, a contemporary modern rock band from Vancouver, B.C.
- AKA (film), 2002 film
- "A.K.A." (Jericho episode), a 2007 episode of the TV series Jericho
- People
- Andre Kirk Agassi
- Jason Akermanis, Australian rules footballer
- AKA, a professional wrestler for Richmond Lucha Libre.
- Aka Amir khosro Ahmadi
- Places
- Aka, Fukuoka, village in Japan
- Aka Hills, east of the Kameng River in Arunachal Pradesh, India
- Aka, Hungary, village in Hungary
- Other
- Amphibious cargo ship, from its United States Navy hull classification symbol prior to 1969
- Authentication and Key Agreement
- Above knee amputation, or transfemoral amputation
