| Jirka Letzin | |
| Fullname: | Jirka Letzin |
| Club: | Sportgemeinschaft Deutsche Hochschule für Korperkultur, Leipzig |
| Birth Date: | 8 February 1971 |
| Birth Place: | Neubrandenburg, East Germany |
| Height: | 1.860NaN0 |
| Weight: | 800NaN0 |
Jirka Letzin (born February 8, 1971, in Neubrandenburg) is a retired backstroke and medley swimmer from Germany. He won his first major title in 1994, at the European Short Course Championships in Stavanger. He represented his native country at the 2000 Summer Olympics in Sydney, Australia, finishing in 9th place in the men's 400 m individual medley.