| Jacek Kosmalski | |
| Birth Date: | 1976 9, df=yes |
| Birth Place: | Białogard, Poland |
| Position: | Forward |
| Youthyears1: | –1993 |
| Youthclubs1: | Głaz Tychowo |
| Years1: | 1993–1996 |
| Clubs1: | Legia Warsaw II |
| Years2: | 1994 |
| Clubs2: | → Granica Chełm (loan) |
| Years3: | 1996 |
| Clubs3: | → Kotwica Kołobrzeg (loan) |
| Years4: | 1996–1997 |
| Clubs4: | Legia Warsaw |
| Caps4: | 2 |
| Goals4: | 0 |
| Years5: | 1997 |
| Clubs5: | → Dolcan Ząbki (loan) |
| Years6: | 1997–1998 |
| Clubs6: | Orlęta Łuków |
| Years7: | 1998–1999 |
| Clubs7: | Chemik Police |
| Years8: | 2000–2001 |
| Clubs8: | Odra Szczecin |
| Caps8: | 7 |
| Goals8: | 1 |
| Years9: | 2000–2001 |
| Clubs9: | → Pomerania Police (loan) |
| Years10: | 2001–2003 |
| Clubs10: | Pogoń Szczecin |
| Caps10: | 34 |
| Goals10: | 4 |
| Years11: | 2003–2004 |
| Clubs11: | ŁKS Łódź |
| Caps11: | 20 |
| Goals11: | 5 |
| Years12: | 2004–2009 |
| Clubs12: | Polonia Warsaw |
| Caps12: | 109 |
| Goals12: | 34 |
| Years13: | 2010 |
| Clubs13: | Zawisza Bydgoszcz |
| Caps13: | 6 |
| Goals13: | 1 |
| Years14: | 2010–2012 |
| Clubs14: | Pogoń Siedlce |
| Caps14: | 53 |
| Goals14: | 31 |
| Years15: | 2013 |
| Clubs15: | Polonia Warsaw |
| Years16: | 2013–2014 |
| Clubs16: | Mazovia Mińsk Mazowiecki |
| Years17: | 2015 |
| Clubs17: | Polonia Warsaw |
Jacek Kosmalski (born 4 September 1976) is a Polish former professional footballer who played as a forward. He became top goalscorer of the second tier in the 2006–07 season.[1]
Pogoń Siedlce
Individual