Admiral Sir William Montagu Dowell GCB (2 August 1825 – 27 December 1912) was a Royal Navy officer who served as Commander-in-Chief, Devonport.

[1] He served in the Black Sea during the Crimean War.

[1] He was made Commander-in-Chief, Cape of Good Hope and West Coast of Africa Station in 1867 before taking command of HMS Hercules in 1871.

[1] He became Second-in-Command of the Channel Squadron in 1877, Senior Officer, Coast of Ireland Station in 1878, Senior Officer in Command of the Channel Squadron in 1882, Commander-in-Chief, China Station in 1884 and Commander-in-Chief, Devonport in 1888.

[1] In retirement he became President of the Royal British Female Orphan Asylum in Plymouth.