Antonia Lofaso (born 1978) is an American chef who has appeared on the reality TV shows Top Chef, Cutthroat Kitchen and Restaurant Startup, among others. She owns the restaurants Black Market Liquor Bar and Scopa Italian Roots in Los Angeles, California.
Lofaso attended the French Culinary Institute in New York City; during that time she was also a manager at Sean Combs' restaurant, Justin. She then worked as a chef at the Los Angeles restaurants Spago and Foxtail.
Lofaso is currently a co-owner and the executive chef of the Los Angeles restaurants Black Market Liquor Bar and Scopa Italian Roots.
In 2008, Lofaso appeared as a contestant on season four of the competition series Top Chef, also known as Top Chef: Chicago; she came in 4th place. She appeared on season eight of Top Chef, known as Top Chef: All-Stars, from 2010 to 2011, coming in 3rd place. In 2014 she appeared on an episode of Top Chef Duels, competing against Mike Isabella, who had beaten her on Top Chef: All-Stars; she won the "duel".
In 2012, Lofaso appeared on the short-lived Game Show Network show Beat the Chefs; she was one of three professional chefs that the amateur chef contestants had to compete against. The show ran for four episodes.
Since 2013, she has been one of a rotating group of judges on the Food Network competition show Cutthroat Kitchen. She also competed in (and won) Cutthroat's special "Judging Judges" episode, beating fellow regular judges Simon Majumdar and Jet Tila as well as Iron Chef Geoffrey Zakarian.