The Aero A.104 was a parasol monoplane light bomber and reconnaissance aircraft built in Czechoslovakia during the 1930s.
The Agusta A.104 Helicar was an Italian prototype light commercial helicopter first flown in December 1960.
AS-104 was the fourth orbital test of a boilerplate Apollo spacecraft, and the second flight of the Pegasus micrometeroid detection satellite.
This is a list of roads designated A104.
RFA Eaglesdale (A104) was a Dale-class fleet tanker of the Royal Fleet Auxiliary (RFA).