Gijsbertus Cornelis "Geert" den Ouden (born 24 July 1976) is a Dutch former professional footballer who played as a striker.

Den Ouden has extensive experience playing in his native Netherlands, having made over 150 appearances for clubs such as SBV Excelsior and RBC Roosendaal since turning professional in 1998.

[1] He subsequently played for ADO Den Haag, Willem II, a second stint with Excelsior Rotterdam, and De Graafschap.

Den Ouden made his debut for Valletta in the first qualifying round of the Europa League against Icelandic side Keflavik, scoring a goal in the 72nd minute, to round the match to a 3–0 win for the Maltese side.

[2] In December 2009 den Ouden was approached by fellow Dutch professional Erik Tammer, who asked him to join the fledgling Dayton Dutch Lions team, which made its debut in the USL Premier Development League in 2010.