| Leonid Vesnin | |
| Birth Name: | Leonid Aleksandrovich Vesnin |
| Birth Place: | Nizhny Novgorod, Russian Empire |
| Death Date: | 8 October 1933 |
| Death Place: | Moscow, Soviet Union |
| Nationality: | Russian |
| Alma Mater: | Imperial Academy of Arts |
| Practice: | Vesnin brothers |
| Significant Buildings: | ZIL Palace of cultureMostorg Department store |
| Significant Projects: | Leningradskaya PravdaNarkomtyazhprom |
| Parents: | Vesnin Alexander Alexandrovich, Vesnina (Ermolaeva) Elizaveta Alekseevna |
Leonid Aleksandrovich Vesnin (Russian: Леони́д Александрович Веснин; – 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 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]