Vice-Admiral Sir Guy Bourchier Sayer KBE CB DSC (1903–1985) was a senior Royal Navy officer who commanded the Reserve Fleet.

After leaving Highgate School[1] Sayer joined the Royal Navy in 1916 during World War I.

[2] He became Vice Controller and Director of Naval Equipment at the Admiralty in 1953 and Flag Officer, Home Fleet Training Squadron in 1956.

[2] He was Flag Officer, Helicopter Group during Operation Musketeer, the assault on Port Said during the Suez crisis, in 1956.

[4] After his retirement he spent much of his time until his death supporting his wife Sylvia in her conservation work aiming to keep the moorland of Dartmoor in Devon, England, free from anything that would spoil its natural beauty.