DOA has several meanings:
- Dead on arrival
- Direction of arrival
- D.O.A. (1950 film), a 1950 film noir, or its 1988 remake
- D.O.A. (band), a Vancouver punk band
- Disciples of Annihilation, a Brooklyn punk band
- Dead On Arrival, a heavy metal band from New York
- "D.O.A." is the title of a 1970 Top 40 song by rock band Bloodrock
- DOA (song), a song on the 2005 Foo Fighters album In Your Honor
- Dead or Alive (video game), a video game series
- DOA: Dead or Alive, a film based on the video game
- Dispatch Of Army, an online game
- Daily Oral Analogies, e.g. Sacramento is to Califorina as Salem is to Oregon. Performed on a daily basis, primarily in 3rd grade classes.
- Dioctyl adipate, a plasticizer