| Aleksander Antoni Sapieha | |
| Noble Family: | Sapieha |
| Coa: | Lis |
| Father: | Józef Sapieha |
| Mother: | Teofila Strzeżysława z Jabłonowskich Sapieha |
| Spouse-Type: | consort |
| Spouse: | Anna Jadwiga z Zamoyskich Sapieżyna |
| Issue: | Leon Anna Zofia |
| Birth Date: | 3 September 1773 |
| Birth Place: | Strasbourg, France |
| Death Place: | Dereczyn, Poland |
Prince Aleksander Antoni Sapieha (September 3, 1773 – September 8, 1812) was a Polish nobleman, miecznik of the Duchy of Warsaw, naturalist, traveler, politician, chamberlain and adjutant of Emperor Napoleon I.