| Leon Aleksander Sapieha | |
| Noble Family: | Sapieha |
| Coa: | Lis |
| Father: | Prince Władysław Sapieha |
| Mother: | Countess Elżbieta Potulicka |
| Spouse-Type: | consort |
| Spouse: | Katarzyna Iza Potocka |
| Birth Date: | 12 December 1883 |
| Birth Place: | Krasiczyn, Kingdom of Galicia and Lodomeria (present-day Poland) |
| Death Place: | Rzeszów, Nazi Germany (present-day Poland) |
Prince Leon Aleksander Sapieha (1883-1944) was a Polish military aviator, landowner, traveler, and a member of the Sejm.
His brother was Prince Adam Zygmunt Sapieha and his uncle the Polish cardinal Prince Adam Stefan Sapieha.