Marek is a Czech, Polish and Slovak given name, the equivalent of Mark in English.
Some people with the given name Marek:
Marek Kukula, British astronomer at Greenwhich Observatory
Marek Deska, Polish pitcher and Leon's inventory
Marek Bílek, Czech discus thrower
Marek Borowski, Polish politician, the former leader of Sojusz Lewicy Demokratycznej and the former Speaker of the Sejm
Marek Edelman, Jewish-Polish political and social activist, cardiologist, and the longest living leader of the Warsaw Ghetto Uprising
Marek Gazdzicki, Polish nuclear physicist, the initiator and spokesperson of the NA61 Shine Experiment
Marek Grechuta, Polish musician and songwriter
Marek Kaleta, Estonian javelin thrower
Marek Kolbowicz, Polish rower
Marek Krawczyk, Polish breaststroke swimmer
Marek Rosa, Slovak video game producer and designer
Marek Svatos, retired Slovak NHL hockey player
Marek Židlický, Czech ice hockey player (NHL)
Stanke Dimitrov, known under the pseudonym "Marek", Bulgarian communist
Several footballers bear the given name Marek:
Marek Čech, Slovak footballer
Marek Čech, Czech footballer
Marek Heinz, Czech football striker
Marek Hamšík, Slovak footballer
Marek Jankulovski, Czech football left-back of Macedonian origin
Marek Saganowski, Polish football player