| Koen Bosma | |
| Birth Date: | 11 September 1990 |
| Birth Place: | Amstelveen, Netherlands |
| Height: | 1.83 m |
| Position: | Forward |
| Years1: | 2009–2010 |
| Clubs1: | FC Haarlem |
| Caps1: | 6 |
| Goals1: | 0 |
| Years2: | 2010–2014 |
| Clubs2: | VVSB |
| Caps2: | 103 |
| Goals2: | 29 |
| Years3: | 2014 |
| Clubs3: | Phnom Penh Crown |
| Caps3: | 0 |
| Goals3: | 0 |
| Years4: | 2014–2015 |
| Clubs4: | Sông Lam Nghệ An F.C. |
| Caps4: | 3 |
| Goals4: | 0 |
| Years5: | 2015 |
| Clubs5: | Sydney United 58 FC |
| Years6: | 2015–2018 |
| Clubs6: | Amsterdamsche FC[1] |
| Caps6: | 66 |
| Goals6: | 16 |
Koen Bosma (born 11 September 1990 in Amstelveen, Netherlands) is a Dutch footballer who presently plays for Amsterdamsche FC of the Dutch Tweede Divisie as of 2015. Besides Netherlands, he has played in Cambodia, Vietnam, and Australia.[2]
Impressing during a trial with 2011 Cambodian League winners Phnom Penh Crown and netting three goals in a friendly versus TriAsia,[3] Bosma officially completed his transfer to the club in August 2014,[4] signing for one season only[3] and intermingling with five foreigners as well as eight Cambodia national team players. Next, he participated in the pre-season 2014 Mekong Club Championship with the club, scoring a goal in their first game, a 5-2 defeat to Becamex Binh Duong in the semi-finals.[5]
Comparing footballers in Cambodia to their Dutch counterparts, Bosma has stated that they are better at attacking play but are behind in terms of tactics and defense.[6]
Cancelling his contract with the acquiescence of the Phnom Penh Crown board shortly after the Mekong Club Championship,[5] the Dutchman signed for Song Lam Nghe An of the Vietnamese V.League 1 in December 2014,[7] changing to a midfield position in the process.[5] Despite beginning the 2015 season well with two starts and two assists in his first two games, Bosma was substituted on in the third round,[8] which would prove to be his last official game in Vietnam. After only being used for practice matches, Bosma arranged a meeting with the Song Lam Nghe An president and left by April 2015.[9]
Throughout his stay in Vietnam, the forward was seen as more of a playmaker and was praised by the club president as a smart footballer.[8]
Joining Sydney United 58 of the Australian NPL NSW until the end of the 2015 season following his spell in Vietnam, Bosma almost sealed a move to a Malaysian third division team but the deal never happened.[10] While plying his trade with Sydney United, the Amstelveen native helped them clinch the 2015 Waratah Cup, making two assists in the semi-final.[11]