Guy Fieri (born January 22, 1968) is a chef, TV personality, and winner of the second season of The Next Food Network Star. He now co-owns Johnny Garlic's California Pasta Grill in Windsor, Roseville, and Santa Rosa, California, as well as Tex Wasabi's in Sacramento and Santa Rosa. He earned a Bachelor of Science in Hospitality Management from UNLV in 1990.

After winning the second season Food Network competition on April 23, 2006, Fieri was awarded a six-episode commitment for his own cooking show on Food Network. Guy's Big Bite premiered on June 25, 2006 and was renewed for a second season that began airing in early 2007. His second series, Diners, Drive-Ins and Dives, premiered in April, 2007 (a one-hour pilot for the series aired as a special in November 2006) and sees Fieri traveling the country visiting local eateries. His third series, Ultimate Recipe Showdown, co-hosted with Marc Summers, began airing on February 17, 2008. He appeared with Robert Irvine in Dinner: Impossible in 2007, and has appeared on Paula Deen's Paula's Party as well as Ace of Cakes. His new show, Guy Off the Hook debuted on Food Network on September 14, 2008.

Fieri is currently a spokesperson for T.G.I. Fridays, and is featured in numerous commercials which initially featured the recipes from Ultimate Recipe Showdown and now promote the restaurant chain itself.

Fieri grew up in Ferndale, California, the son of James (Jim) and Penelope (Penny) Ferry of Santa Rosa, California. He currently lives with his wife Lori and two sons in Northern California. He is also close friends with fellow Next Food Network Star second-season competitor Nathan Lyon.

Fieri's signature look combines below-the-knee shorts, suit jacket, arm sweat bands, and jewelry along with platinum blond, spiked hair with black Van Dyke beard, contrasting sunglass tan lines, and flip-flops. Fieri's signature phrase is "off the hook."