Egbert Rolf "Erben" Wennemars (born 1 November 1975) is a Dutch former speed skater.

He specialized in the sprint and middle distances of 500, 1000 and 1500 meters, and set six world records during his career.

In 2005 he defended his world sprint title successfully in Salt Lake City, United States.

Wennemars qualified for the 500 m, 1000 m, 1500 m and the team pursuit events at the 2006 Winter Olympics in Turin, Italy.

His teammates for the team pursuit were Sven Kramer, Carl Verheijen, Mark Tuitert and Rintje Ritsma.