| Emil Dessewffy | |
| Birth Name: | Emil Dessewffy |
| Birth Date: | 24 February 1814 |
| Birth Place: | Eperjes, Kingdom of Hungary (now: Prešov, Slovakia) |
| Death Place: | Pozsony, Kingdom of Hungary (now: Bratislava, Slovakia) |
| Citizenship: | Hungarian |
| Known For: | politician |
| Party: | Conservative Party (1846-1849) Address Party (1861) Deák Party (1865-1866) |
Count Emil Dessewffy de Csernek et Tarkeő (24 February 1814, Eperjes – 10 January 1866, Pozsony) was a Hungarian conservative politician, leader of the Conservative Party, who served as President of the Hungarian Academy of Sciences from 1855 until his death.