Luc Krotwaar (born 25 January 1968 in Bergen op Zoom, North Brabant) is a Dutch long-distance runner, who is nicknamed 'The White Kenyan'.

In the fall of 2003, he ran a personal best of 2:10.13 in Fukuoka.

He qualified for the 2004 Summer Olympics, but eventually did not start.

Krotwaar finished fifteenth at the 2005 World Championships marathon and fourth at 2:12:44 in the 2006 European Athletics Championships in Gothenburg.

This biographical article relating to Dutch athletics is a stub.