Peter Budaj (born September 18, 1982) is a Slovakian professional ice hockey goaltender currently playing for the Colorado Avalanche of the National Hockey League (NHL).

Budaj was drafted by the Avalanche in the 2001 draft as the first pick for the Avalanche and 63rd overall. He wears number 31 for the Colorado Avalanche and recently finished playing his fourth season in the NHL (2008-09). Prior to this, he played for the Hershey Bears of the American Hockey League (AHL) and the Toronto St. Michael's Majors of the Ontario Hockey League (OHL).

In his first NHL season (2005–06), he appeared in 34 games while backing up David Aebischer and then José Théodore. He recorded a combined 47 wins in the next two seasons while splitting duties with Théodore. His first and only NHL playoff appearances came in the 2008 Stanley Cup Playoffs in relief of Théodore in Colorado's second round matchup against the eventual Stanley Cup champions Detroit Red Wings.