Martin Jakš (Czech pronunciation: ['marc?n 'jak?]; born September 6, 1986 in Plzen, Czechoslovakia) 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.
He also has two wins in the 4 x 10 km relay, earning them in 2007 and 2008.
His best finish at the FIS Nordic World Ski Championships was 22nd in the 15 km event at Liberec in 2009.