Grzegorz Krzosek

Grzegorz Krzosek (born 10 January 1976 in Lębork) is a retired Polish middle-distance runner who specialised in the 800 metres. He represented his country at the 2001 World Championships in Athletics without qualifying for the semifinals.

Personal bests
Outdoor
 * 600 metres – 1:16.08 (Bogatynia 2005)
 * 800 metres – 1:45.97 (Bydgoszcz 2001)
 * 1000 metres – 2:22.31 (Siedlce 2001)

Indoor
 * 800 metres – 1:47.74 (Chemnitz 2006)