| István Szalay | |
| Birth Date: | 1944 3, df=y |
| Birth Place: | Hegykő, Hungary |
| Nationality: | Hungarian |
| Occupation: | Mathematician |
| Education: | University of Szeged |
| Party: | MSZP |
| Office: | Member of the National Assembly of Hungary |
| Term Start: | 1998 |
| Term End: | 2002 |
István Szalay (22 March 1944 – 1 September 2022) was a Hungarian mathematician and politician. A member of the Hungarian Socialist Party, he served in the National Assembly from 1998 to 2002.[1] Prior to that, he was mayor of Szeged from 1994 to 1998.
Szalay died on 1 September 2022, at the age of 78.[2]