| Koen Garritsen | |
| Birth Date: | 1983 3, df=yes |
| Birth Place: | Winterswijk, Netherlands |
| Position: | Midfielder |
| Height: | 1.78 m |
| Years1: | 2003–2005 |
| Clubs1: | AGOVV |
| Years2: | 2005–2007 |
| Clubs2: | Fortuna Sittard |
| Years3: | 2007–2008 |
| Clubs3: | AGOVV |
| Years4: | 2008 |
| Clubs4: | FC Zwolle |
| Years5: | 2008–2010 |
| Clubs5: | AGOVV |
| Years6: | 2010–2011 |
| Clubs6: | De Treffers |
| Years7: | 2011–2017 |
| Clubs7: | HSC '21 |
| Nationalteam1: | Netherlands U19 |
| Nationalteam2: | Netherlands U20 |
| Nationalteam3: | Netherlands U21 |
Koen Garritsen (born 25 March 1983) is a retired Dutch football midfielder.[1]