| Gertjan Tamerus | |
| Fullname: | Gerardus Johannes Paulus Tamerus |
| Birth Date: | 11 October 1980 |
| Birth Place: | Haarlem, Netherlands |
| Position: | Forward, attacking midfielder |
| Currentclub: | Koninklijke HFC (manager) |
| Years1: | 1999–2003 |
| Clubs1: | HFC Haarlem |
| Caps1: | 108 |
| Goals1: | 10 |
| Years2: | 2003–2006 |
| Clubs2: | Heracles Almelo |
| Caps2: | 97 |
| Goals2: | 20 |
| Years3: | 2006–2009 |
| Clubs3: | NAC Breda |
| Caps3: | 17 |
| Goals3: | 1 |
| Years4: | 2009–2010 |
| Years5: | 2010–2011 |
| Years6: | 2011–2012 |
| Clubs6: | Ter Leede |
| Years7: | 2012–2018 |
| Clubs7: | Koninklijke HFC |
| Caps7: | 102 |
| Goals7: | 20 |
| Manageryears1: | 2018– |
| Managerclubs1: | Koninklijke HFC |
Gerardus Johannes Paulus "Gertjan" Tamerus (born 11 October 1980) is a Duch former footballer who played as a forward or attacking midfielder. He is the current manager of Dutch Tweede Divisie side Koninklijke HFC.[1]
Tamerus was born in Haarlem and made his debut in professional football for HFC Haarlem in the 1999–2000 season.[2] He also played for Heracles Almelo, NAC Breda,[3] AO Trikala, SVZW and Ter Leede.
Heracles Almelo