| Willemijn Karsten | |
| Nationality: | Dutch |
| Birth Date: | 28 June 1986 |
| Birth Place: | Hoorn, Netherlands |
| Years1: | –2007 |
| Clubs1: | Zeeman Vastgoed/SEW |
| Years2: | 2007–2008 |
| Clubs2: | Buxtehuder SV |
| Years3: | 2008–2009 |
| Clubs3: | Borussia Dortmund Handball |
| Years4: | 2009–2011 |
| Clubs4: | DJK/MJC Trier |
| Years5: | 2011–2012 |
| Clubs5: | Thüringer HC |
| Nationalyears1: | 2004–2012 |
| Nationalteam1: | Netherlands |
| Nationalcaps1: | 109u |
| Nationalgoals1: | 124 |
Willemijn Karsten (born 28 June 1986) is a Dutch team handball player.[1] She plays on the Dutch national team, and participated at the 2011 World Women's Handball Championship in Brazil.[2]