Marek Cech (born 26 January 1983) is a retired Slovak professional footballer.
He primarily played as an attacking left-sided full-back or wing-back.
He won the Primeira Liga in each of his three seasons at Porto, in addition to titles at Slovan Bratislava and Sparta Prague earlier in his career.
He also spent time at West Bromwich Albion in England and Trabzonspor in Turkey, in addition to two brief spells in Italy at the end of his career.
Cech earned 52 caps for Slovakia, having made his debut in 2004.
He represented the nation at the 2010 FIFA World Cup.