Monica Owusu-Breen (credited as Monica Breen) is an American television producer, production designer, television writer, and executive story editor. She is currently working on Brothers & Sisters as a writer and supervising producer. Her previous writing credits include episodes of Alias, Charmed, and Lost, on all of which she has written and collaborated with Alison Schapker.

Breen is a 1990 graduate of Brown University.