Leonid Aleksandrovich Vesnin (Russian: Леони́д Александрович Веснин; 10 December [O.S. 28 November] 1880 – 8 October 1933), was a Russian and Soviet architect. The oldest of Vesnin brothers, who were influential in developing Constructivist architecture.

Leonid Aleksandrovich was born on 10 December [O.S. 28 November] 1880 in a merchant family in Nizhny Novgorod.^[1] He went to Moscow Practical Academy of Commercial Sciences from 1890 to 1899. In 1900 he got into Imperial Academy of Arts and was a student of Leon Benois until he graduated in 1909.^[2]

• 1934 People's Commissariat of Heavy Industry Project
• 1930 Palace of Culture of the Proletarskie district, Moscow
• 1928 House of Film Actors, Moscow
• 1926 Mostorg Department store, Moscow
• 1924 Leningradskaya Pravda project
• 1922-23 Palace of Labor project^[3]

• Leonid Vesnin at archINFORM
• Leonid Alexandrovich Vesnin, photographs, Canadian Centre for Architecture (digitized items)