Martin Jakš (Czech pronunciation: [ˈmarcɪn ˈjakʃ]; born 6 September 1986 in Plzeň, Czechoslovak Socialist Republic) is a Czech cross-country skier who has competed since 2004.

His best World Cup finish was third in a 3.3 km event in Italy in 2008.

His best finish at the FIS Nordic World Ski Championships was 22nd in the 15 km event at Liberec in 2009.

All results are sourced from the International Ski Federation (FIS).

This biographical article relating to Czech cross-country skiing is a stub.