Linus Ullmark (born July 31, 1993) is a Swedish professional ice hockey goaltender. He is currently playing with Modo Hockey in the Swedish Hockey League (SHL) as a prospect for the Buffalo Sabres of the National Hockey League (NHL). He was selected by the Buffalo Sabres in the sixth round (163rd overall) of the 2012 NHL Entry Draft. On May 27, 2014, Ullmark was signed by the Sabres to a three-year entry level contract. He was returned on loan to Modo for the 2014–15 season.