Top Chef: Colorado is the fifteenth season of the American reality television series Top Chef. The season's details and cast were revealed on October 12, 2017. The show was filmed in various cities across Colorado, including Denver, Boulder, Telluride, and Aspen. The season premiered on December 7, 2017, and concluded on March 8, 2018. Last Chance Kitchen premiered on November 30, 2017. In the season finale, Joseph "Joe" Flamm was declared the winner over runner-up Adrienne Cheatham. Fatima Ali was voted Fan Favorite.

Top Chef: San Francisco, originally broadcast simply as Top Chef, is the first season of the American reality television series Top Chef. It was first filmed in San Francisco, California, before concluding in Las Vegas, Nevada. The season premiered on March 8, 2006, and ended on May 24, 2006. The show featured chefs from around the United States living together in one house and competing in a series of culinary challenges. The prizes for the winner of the competition included a feature in Food & Wine Magazine, a showcase at the annual Food & Wine Classic in Aspen, Colorado, a Kenmore Elite kitchen set, and US$100,000. The series was hosted by Katie Lee Joel, in her only season as host, and judged by chef Tom Colicchio and food writer Gail Simmons. In the season finale, Harold Dieterle was declared the winner over runner-up Tiffani Faison.