| István Batházi | |
| Fullname: | Batházi István |
| Strokes: | Medley |
| Club: | Köbànya Sport Club |
| Birth Date: | 1978 12, df=y |
| Birth Place: | Budapest |
| Weight: | 93kg (205lb) |
István Batházi (born 16 December 1978 in Budapest) is a male medley swimmer from Hungary, who competed three times for his native country at the Summer Olympics in 1996 and 2000.[1] He won the European title in the men's 400 m individual medley in 2000 (Helsinki).In 2009 Istvan set the 200m(LC) Individual Medley Masters World Record for 30-34 age group.