Rear Admiral Stephen Richard Gilmore, AM, CSC (born 17 January 1961) is a retired senior officer of the Royal Australian Navy.

Captain Gilmore was appointed as the Director of Maritime Combat Development in the Capability Systems Division of Australian Defence Headquarters in December 2002.

In this capacity he was responsible for the development of capability requirements documentation relating to the eventual acquisition of future ship and combat systems for the Royal Australian Navy.

Selected to command coalition Task Force 58 in the Northern Persian Gulf, Gilmore was deployed as part of Operation Catalyst from April to August 2005.

Gilmore was recognised for his service in these Washington-based roles with the American Legion of Merit, which was presented at a ceremony at the US Embassy in Canberra in March 2018.