Yakov Sergeyevich Dashevsky (Russian: Яков Серге́евич Дашевский; 18 April 1902, Kherson - 8 February 1972, Moscow) was a Soviet Red Army military intelligence officer and lieutenant-general.

He subsequently served as a platoon leader in signals companies and battalions from October 1926 to August 1930, when he was assigned to work in the Intelligence Directorate of the Red Army.

[1] Dashevsky attended the Frunze Military Academy from May 1933 to May 1934, then served as chief of the 3rd and 4th Departments of the Red Army's Intelligence Directorate from May 1934 to May 1935.

[1] Dashevsky was named the chief of staff of the 333rd Rifle Division in 1941, and also served as its commanding officer until 1942.

He next served as the chief of staff for the 9th, 47th and 51st Armies in 1942-1945, and was promoted from major-general to lieutenant-general on 31 October 1944.