The A103 is an A road in London, England.
The Agusta A.103 was an Italian prototype single-seat light helicopter flown in October 1959.
AS-103 was the third orbital flight test of a boilerplate Apollo spacecraft, and the first flight of a Pegasus micrometeroid detection satellite.
The Autobahn (plural) is the federal controlled-access highway system in Germany.
is a short urban Autobahn in western Berlin, Germany connecting to the A 100.
RFA Bacchus (A103) was a stores freighter and fresh water distilling ship of the Royal Fleet Auxiliary.