Ryan Guentzel (born July 14, 1986 in Woodbury, Minnesota) is an American forward playing for EHC Klostersee in the German Oberliga.
He played junior hockey for the Southern Minnesota Express and the Sioux Falls Stampede from 2005 to 2007. He then played for four years for the Notre Dame Fighting Irish of the NCAA.
Guentzel turned pro with Klostersee in 2011.
He was not drafted by any NHL team.