| István Schweitzer | |
| Birth Date: | 1887 |
| Death Date: | 1981 |
| Allegiance: |  Kingdom of Hungary |
| Rank: | Lieutenant-General |
| Commands: | Hungarian First Army |
| Battles: | World War II |
István Schweitzer (1887–1981) was a Hungarian military officer, who served as commander of the Hungarian First Army during the Second World War.