| Birth Name: | Pieter-Jan van Lill |
| Birth Date: | 4 December 1983 |
| Birth Place: | Keetmanshoop, South West Africa |
| Height: | 193cm |
| Weight: | 119kg (262lb) |
| Ru Currentposition: | Lock, Flanker, Number 8 |
| Ru Currentteam: | Aviron Bayonnais |
| Ru Position: | Lock, Flanker, Number 8 |
| Ru Amateuryears: | 2005–2006 |
| Ru Amateurclubs: | Stellenbosch University |
| Ru Clubyears: | 2007–2014 2010–2011 2014–2015 2015–2020 2020– |
| Ru Proclubs: | Wanderers Welwitschias Dax Bayonne Valence |
| Ru Clubcaps: | 14 21 95 21 |
| Ru Clubpoints: | (22) (15) (75) (10) |
| Ru Nationalyears: | 2006–present |
| Ru Nationalcaps: | 55 |
| Ru Nationalpoints: | (40) |
Pieter-Jan van Lill (born 4 December 1983 in Keetmanshoop, South West Africa, now Namibia,) is a Namibian rugby union player. Van Lill was on the Namibian squads for the 2011, 2015 & 2019 Rugby World Cup.[1]
He started his French rugby career with Dax in July 2014 where he stayed for 1 season and played 21 games for the Landes team.
van Lill joined Aviron Bayonnais in 2015 where he played 99 games during his 5 season at Bayonne.