Asa may refer to:
People
- Aṣa, stage name of Nigerian French singer-songwriter Bùkólá Elemide (born 1982)
- Asa (name), a masculine given name, including a list of persons and fictional characters with the name
- Asa (rapper), Finnish rapper Matti Salo (born 1980)
- Asa of Judah, third king of the Kingdom of Judah
- Asa people, an ethnic group of Tanzania
Places
- Asa, Iran, in South Khorasan Province
- Asa, Kwara, a Local Government Area in Kwara State, Nigeria
- Asa, Hardoi, a village in Uttar Pradesh, India
- Asa River (disambiguation), various rivers
Other
- Asa (album), 2013 Falkenbach album
- Asa (raga), Indian format of musical rules
- Åsa IF, a Swedish football club located in Åsa
- Asa language, of the Asa people
- Asa Station, Japanese railway station in San'yō-Onoda, Yamaguchi
- Ása, genitive of Æsir, the predominant group among the Norse gods
- Asa, or naboot, a staff used in Egyptian stick fencing
- Aša or Asha, the Avestan language term for a concept of cardinal importance to Zoroastrian theology and doctrine
- Asa, god of the Kamba people ethnic group in Kenya
- asa, a Unix filter program that processes ASA carriage control characters