Marko Klok

Marko Klok (, born 14 March 1968 in Monnickendam, North Holland) is a volleyball player from the Netherlands who represented his native country in two Summer Olympics, starting in 1992 in Barcelona, Spain. There he won the silver medal as a part of the Dutch Men's National Team, and later took ninth at the 2004 Summer Olympics in Athens, Greece. He played a total of 378 international matches for the Dutch volleyball team.

Beach volleyball
Klok and partner Michiel van der Kuip won the 1995 European Beach Volleyball Championships.

Coaching
In November 2021 he become national coach of the women's teams of Beach Volleyball Team Netherlands (BTN).