| Pieter Nys | |
| Birth Date: | 1989 7, df=yes |
| Birth Place: | Hasselt, Belgium |
| Height: | 1.80 m |
| Position: | Defensive midfielder |
| Youthyears1: | 1995–1998 |
| Youthclubs1: | Zonhoven VV |
| Youthyears2: | 1998–2008 |
| Youthclubs2: | Genk |
| Years1: | 2008–2010 |
| Clubs1: | Genk |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2009–2010 |
| Clubs2: | → Fortuna Sittard (loan) |
| Caps2: | 27 |
| Goals2: | 1 |
| Years3: | 2010–2012 |
| Clubs3: | OH Leuven |
| Caps3: | 42 |
| Goals3: | 1 |
| Years4: | 2012–2015 |
| Clubs4: | Sparta Rotterdam |
| Caps4: | 64 |
| Goals4: | 3 |
| Years5: | 2015–2019 |
| Clubs5: | MVV |
| Caps5: | 108 |
| Goals5: | 15 |
| Years6: | 2020 |
| Clubs6: | Bocholt |
| Caps6: | 4 |
| Goals6: | 1 |
| Years7: | 2020–2021 |
| Clubs7: | Zonhoven United |
Pieter Nys (born 13 July 1989) is a Belgian former professional footballer who played as a defensive midfielder. During his career he played for Genk, Fortuna Sittard, OH Leuven and Sparta Rotterdam.[1]