| István Magyar | |
| Order: | Crown Prosecutor |
| Term Start: | 1930 |
| Term End: | 1934 |
| Predecessor: | Lajos Halász |
| Successor: | Endre Gáll |
| Birth Date: | 1864 2, df=yes |
| Birth Place: | Eperjes, Sáros County, Kingdom of Hungary (today: Prešov, Slovakia) |
| Death Place: | Budapest, People's Republic of Hungary |
| Profession: | jurist |
Dr. István Magyar (6 February 1864 – 8 September 1954) was a Hungarian jurist, who served as Crown Prosecutor of Hungary from 1930 to 1934.