|Date of birth||27 January 1985|
|Place of birth||Mijdrecht, Netherlands|
|Height||1.81 m (5 ft 11 1⁄2 in)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 21:27, 15 December 2010 (UTC)|
Aafjes was born in Mijdrecht and joined FC Volendam in 2004. He later signed a two-year deal with Falkirk in 2007, where he scored once against Inverness Caledonian Thistle. He joined MVV in the summer of 2009, signing a deal that will keep him with the club until 2011.
On 1 October 2013 Aafjes signed a contract with Danish club Vejle Boldklub. He came to the club on a free transfer. The contract runs out in 2013. In summer 2014, Aafjes returned to Holland to play for fourth-tier Quick Boys.
- "Falkirk 1-0 Inverness CT". BBC Sport. 26 December 2007. Retrieved 7 October 2019.
- "MVV versterkt zich met Aafjes, Berger en Spasojevic" [MVV strengthens itself with Aafjes, Berger and Spasojevic] (in Dutch). Voetbal International. 30 June 2009. Retrieved 7 October 2019.
- "Player profile". Vejle Boldklub. 1 October 2013. Retrieved 7 October 2019.
- "Quick Boys trekt voormalig profvoetballer Gerard Aafjes aan" [Quick Boys attracts former professional football player Gerard Aafjes] (in Dutch). Omroep West. 8 March 2014. Retrieved 7 October 2019.
- Gerard Aafjes at Soccerbase