Vice-Admiral Eustace La Trobe Leatham, CB (3 August 1870 – 1 September 1935) was a Royal Navy officer.
At the Battle of Jutland in 1916, Leatham commanded HMS Cochrane in the 2nd Cruiser Squadron.
He was appointed a Companion of the Order of the Bath in 1916.
He command the Britannia Royal Naval College from 1919 until 1921.