Admiral William Morier (25 September 1790 – 29 July 1864) was a British naval officer.
He was born at Smyrna on 25 September 1790, the fourth son of Isaac Morier, British consul-general at Constantinople. He was educated at Harrow School.
Morier was an officer in the British Navy.
He married Frances Lee "Fanny" Bevan, daughter of the banker, David Bevan.
He died at Eastbourne on 29 July 1864.