Markus Heikkinen (born 13 October 1978), nicknamed Mako, is a Finnish former professional footballer who played as a centre back or defensive midfielder.

Whilst at Portsmouth on loan, he contributed two appearances as they won the First Division Championship and promotion to the Premier League.

[4] On 29 December 2006, in a game for Luton against Birmingham City he was feared to have a compound fracture of the fibula, however it was in fact a nasty gash down his leg, after a late challenge by midfielder Fabrice Muamba.

After two seasons with the Helsinki-based side, on 2 September 2015 it was reported that the 36-year-old Heikkinen had signed a three-year player-coach contract with his hometown team AC Oulu.

[9] During the last years of his playing career, Heikkinen worked also as a sporting director of AC Oulu in second-tier Ykkönen.