Jaap Stockmannn is a Dutch field hockey goal-keeper, and the current goal-keeper for the Netherlands national field hockey team.
In 2008 Stockmann played as the reserve goal-keeper in the Dutch team that came in fourth at the Olympics Games in Beijing. Stockmann has played for HC Bloemendaal in the Dutch League. During his time with the team he won the Euro Hockey League in the 2008-2009 season. He was also part of the team that took home the silver at the London Summer Olympics 2012.