Air Vice-Marshal Garry Tunnicliffe, CB, CVO (born 14 October 1966) is a senior Royal Air Force officer who served as Defence Services Secretary from 2016 to 2019.

Tunnicliffe was educated at Devonport High School for Boys, Durham University (BA History and Politics, 1988) and King's College London (MA Defence Studies, 2001).

[1][2][3] Tunnicliffe joined the Royal Air Force on 14 August 1988.

[10] He became Deputy Commandant of the Royal College of Defence Studies on 26 April 2019.

[11] Tunnicliffe was appointed a Companion of the Order of the Bath in the 2022 Birthday Honours.