Lev Mikhailovich Galler (Born Leo Julius Alexander Philipp von Haller; Russian: Лев Михайлович Галлер; 29 November [O.S.

17 November] 1883 – 12 July 1950) was a Soviet military leader and admiral of Baltic German origin.

Galler was born into a Baltic German family of a military engineer Philipp Michael Hugo von Haller (Galler) and joined the Baltic Fleet on completing the Naval school in 1905.

After the October Revolution he joined the Bolsheviks and participated in the Ice Cruise of the Baltic Fleet.

Subsequently, he commanded the destroyer Mecheslav, the battleship Andrei Pervozvanny and was subsequently chief of staff of the Baltic Fleet during the British Campaign in the Baltic 1918–1919.