| Grzegorz Krejner | |
| Birth Date: | 25 February 1969 |
| Birth Place: | Żyrardów, Poland |
| Height: | 6 ft 2 in |
| Weight: | 212 lbs |
| Discipline: | Track |
| Role: | Rider |
| Ridertype: | Sprinter |
| Show-Medals: | yes |
Grzegorz Krejner (born 25 February 1969) is a Polish former track cyclist. He competed at four Olympic Games, including Barcelona 1992, Atlanta 1996, Sydney 2000, and Athens 2004.[1]