| István Hetényi | |
| Order: | Minister of Finance of Hungary |
| Term Start: | 27 June 1980 |
| Term End: | 31 December 1986 |
| Predecessor: | Lajos Faluvégi |
| Successor: | Péter Medgyessy |
| Birth Date: | 3 August 1926 |
| Birth Place: | Budapest, Kingdom of Hungary |
| Death Place: | Budapest, Hungary |
| Profession: | politician, economist |
| Party: | MDP, MSZMP |
| Children: | Zsuzsa Hetényi |
István Hetényi (3 August 1926 – 11 November 2008) was a Hungarian politician, who served as Minister of Finance between 1980 and 1986.