Leonty Yakovlevich Ugyumov (Russian: Леонтий Яковлевич Угрюмов; 1887 – August 14, 1937) was a Soviet komkor (corps commander).
He was born in what is now Usolye, Usolsky District, Perm Krai.
He fought for the Imperial Russian Army during World War I before going over to the Bolsheviks during the subsequent civil war.
During the Great Purge, he was arrested on May 21, 1937, and later executed.
This Russian biographical article is a stub.