Jan Hauser (born 19 January 1985 in Glarus) is a Swiss curler from Zürich. He currently plays third for Ralph Stöckli.
Hauser was a fairly successful junior curler. In his third World Junior Curling Championships, in 2003, he skipped Switzerland to a bronze medal finish.
In 2007, he joined forces with Stöckli, as his third. At his first World Championship in 2007, the team finished fourth. He returned to the World Championships with Stöckli in 2009.
In February 2010 he represented Team Switzerland at the 2010 Winter Olympics in Vancouver, British Columbia, Canada.