Hendrik "Hein" Otterspeer (born 11 November 1988) is a Dutch speed skater who specialises in the sprint distances.
Otterspeer finished second in the 2014 Dutch sprint championships, held at the Olympisch Stadium in Amsterdam.
In January 2015, he became the Dutch sprint champion in Groningen.
He finished second at the 2015 World Sprint Speed Skating Championships in Astana, Kazakhstan, behind Pavel Kulizhnikov.
From 2011 through 2014, he was a member of Team Beslist; since 2015, Otterspeer has been a member of Team LottoNL-Jumbo.