| Ivan Bizjak | |
| Birth Date: | 1956 1, df=y |
| Birth Place: | Kranj, PR Slovenia, FDR Yugoslavia |
| Nationality: | Slovenian |
| Occupation: | Mathematician |
| Education: | University of Ljubljana |
| Party: | SKD |
| Office: | Minister of Justice |
| Term Start: | 30 November 2000 |
| Term End: | 20 April 2004 |
| Predecessor: | Barbara Brezigar |
| Successor: | Zdenka Cerar |
| Office2: | Minister of the Interior |
| Term Start2: | 25 January 1993 |
| Term End2: | 8 June 1994 |
| Predecessor2: | Igor Bavčar |
Ivan Bizjak (6 January 1956 – 6 May 2023) was a Slovenian mathematician and politician. A member of the Slovene Christian Democrats, he served as Minister of the Interior from 1993 to 1994 and Minister of Justice from 2000 to 2004.[1]
Bizjak died on 6 May 2023, at the age of 67.[2]