Sebastiaan Nooij (born November 26, 1987) is a Dutch professional baseball catcher who is a free agent. He began playing in the Dutch league in 2006 but moved to the U.S. to attend college in 2007. He attended Lower Columbia College and Hawaii Pacific University and returned to the Netherlands to play baseball in 2009. He joined the Netherlands national baseball team and was added to the roster for the 2013 World Baseball Classic after the starting catcher was injured.