The 1st Topographic Survey Squadron is a unit of the Australian Army.

It provides mapping support the Army.

The squadron was originally part of the Royal Australian Survey Corps which reintegrated with Royal Australian Engineers on 1 July 1996.

It was an independent squadron until 13 January 2003 when it became part of the new 6th Engineer Support Regiment.

[1] In 2014 the squadron came under the command of the 1st Intelligence Battalion.