Lucy Chet DeVito (born March 11, 1983) is an American actress. She was a recurring character on ABC Family's Melissa & Joey (2010–2012), starred in the Hulu sitcom Deadbeat (2014–2015), and was a main voice actor and executive producer of the FXX animated comedy Little Demon (2022). DeVito has appeared in several theatre productions, including her Broadway debut, I Need That (2023). Since 2007, she has been a member of the New York developmental theatre company Ensemble Studio Theater.

She is the daughter of actor Danny DeVito and actress Rhea Perlman.