| Jan Žemlík | |
| Height: | 1.98 m |
| Birth Date: | 1977 10, df=yes |
| Birth Place: | Příbram, Czechoslovakia |
| Position: | Striker |
| Youthyears1: | 1983–1991 |
| Youthclubs1: | Nový Jičín |
| Youthyears2: | 1991 |
| Youthclubs2: | Sokol Žilina |
| Youthyears3: | 1991–1994 |
| Youthclubs3: | Nový Jičín |
| Youthyears4: | 1994–1995 |
| Youthclubs4: | Baník Ostrava |
| Years1: | 1995–1996 |
| Clubs1: | Dukla Hranice |
| Years2: | 1996–1998 |
| Clubs2: | Nový Jičín |
| Years3: | 1998 |
| Clubs3: | Žilina |
| Caps3: | 10 |
| Goals3: | 3 |
| Years4: | 1999 |
| Clubs4: | Frýdek-Místek |
| Caps4: | 7 |
| Goals4: | 0 |
| Years5: | 1999 |
| Clubs5: | Koba Senec |
| Caps5: | 15 |
| Goals5: | 3 |
| Years6: | 2000 |
| Clubs6: | Baník Prievidza |
| Caps6: | 5 |
| Goals6: | 0 |
| Years7: | 2000 |
| Clubs7: | LeRK Prostějov |
| Caps7: | 10 |
| Goals7: | 3 |
| Years8: | 2000–2001 |
| Clubs8: | Włókniarz Kietrz |
| Years9: | 2001 |
| Clubs9: | Nový Jičín |
| Years10: | 2001–2002 |
| Clubs10: | LeRK Prostějov |
| Caps10: | 5 |
| Goals10: | 3 |
| Years11: | 2002–2003 |
| Clubs11: | Chmel Blšany |
| Caps11: | 30 |
| Goals11: | 12 |
| Years12: | 2003–2004 |
| Clubs12: | Marila Příbram |
| Caps12: | 34 |
| Goals12: | 6 |
| Years13: | 2004–2007 |
| Clubs13: | Tescoma Zlín |
| Caps13: | 30 |
| Goals13: | 5 |
| Years14: | 2007 |
| Clubs14: | Dundee |
| Caps14: | 18 |
| Goals14: | 1 |
| Years15: | 2008–2009 |
| Clubs15: | Saigon United |
| Years16: | 2009–2011 |
| Clubs16: | Nový Jičín |
| Totalcaps: | 158 |
| Totalgoals: | 36 |
Jan Žemlík (born 9 October 1977 in the Czech Republic) is a retired footballer.