| Ján Nemček | |
| Fullname: | Ján Nemček |
| Birth Date: | 9 October 1987[1] |
| Birth Place: | Czechoslovakia |
| Position: | Attacking midfielder |
| Currentclub: | FC Petržalka 1898 |
| Clubnumber: | 10 |
| Years1: | 2005–2009 |
| Clubs1: | Slovan Bratislava |
| Years2: | 2007 |
| Clubs2: | → Senec (loan) |
| Years3: | 2009–2010 |
| Clubs3: | Hradec Králové |
| Caps3: | 26 |
| Goals3: | 0 |
| Years4: | 2010–2011 |
| Clubs4: | →FK Bodva (loan) |
| Caps4: | 16 |
| Goals4: | 0 |
| Years5: | 2011–2012 |
| Clubs5: | Pezinok |
| Years6: | 2012 |
| Clubs6: | FC Stadlau |
| Years7: | 2013– |
| Years8: | 2013– |
| Clubs8: | → FC Petržalka 1898 (loan) |
| Club-Update: | 8 August 2013 |
Ján Nemček (born 9 October 1987) is a Slovak football player who currently plays for FC Petržalka 1898. His former club were the Slovak 3. liga club PŠC Pezinok and Austrian FC Stadlau, also FK Bodva and SK Hradec Králové.