| Károly Szentiványi | |
| Order: | Speaker of the House of Representatives |
| Term Start: | 20 December 1865 |
| Term End: | 22 April 1869 |
| Predecessor: | Kálmán Ghyczy |
| Successor: | Pál Somssich |
| Birth Date: | January 1802 |
| Birth Place: | Besztercebánya, Kingdom of Hungary |
| Death Date: | 26 January 1877 (aged 75) |
| Death Place: | Budapest, Austria-Hungary |
| Profession: | politician |
| Party: | Address Party, Deák Party |
Károly Szentiványi de Liptószentiván (January 1802 - 26 January 1877) was a Hungarian official and politician, who served as Speaker of the House of Representatives between 1865 and 1869.