Mikhail Mikhailovich Lashevich (Russian: Михаил Михайлович Лашевич; 1884 – 30 August 1928), also known under the name Gaskovich,[1] was a Soviet military and party leader.

[2] He joined the Russian Social Democratic Labour Party in 1901 and after the split of 1903 adhered with the Bolshevik faction.

He was appointed with Kliment Voroshilov to the Revolutionary Military Council in 1923, and the same year was elected to the Party's Central Committee.

As a result, he was removed from central posts and sent to Harbin to serve as acting manager of the Chinese Eastern Railway on 14 April 1926.

[3] In August 1928, he was reported to have been arrested by Chinese authorities in connection with the Barga uprising at Hulunbuir, which was led by the Inner Mongolian politician Merse.