Mark Indelicato (born 16 July 1994) is an American actor and singer best known for his role in the ABC comedy series Ugly Betty, as Justin Suarez, the fashion-obsessed nephew of series protagonist Betty Suarez.

Indelicato was born in Philadelphia, Pennsylvania. He trained at the The Actors Center in Philadelphia and is a student at Dupree School of Music in Linwood, New Jersey. He began acting at age eight at Philadelphia's Walnut Street Theater, and has appeared in national television commercials, the CBS television series, Hack, Chappelle's Show and is a regular cast member of Ugly Betty on ABC. He also attends the Professional Performing Arts High School.

Indelicato was featured in an episode of the Disney Channel Original Series The Suite Life of Zack and Cody in a special High School Musical-themed episode. and will be in the film Illegal Superman, a story of about the "American dream" as seen through the eyes of two Mexicans.