Coen Maertzdorf (born 24 August 1993) is a Dutch footballer who plays as a winger for Derde Divisie club Kozakken Boys.
[2] Born in Zevenaar, Gelderland, Maertzdorf started playing football at amateur club RKPSC, before moving to De Graafschap's youth academy in 2001, as an eight-year-old.
He made his professional debut for the club on 10 August 2012 in the home match versus Excelsior, replacing Soufian El Hassnaoui in the second half of a 2–0 win.
[8] He made his debut for the club on 13 January 2024, providing an assist for other newcomer Dico Jap Tjong in a 2–1 home loss to Rijnsburgse Boys.
[9][10] At the age of 14, on 2 October 2007, Maertzdorf was involved in a serious car accident that resulted in a head injury and left him in a coma for three days.