Mary Lou Belli is an American TV director and writer. She earned her bachelor's degree from Pennsylvania State University and worked for many years in musical theater and soap operas in NYC, then moved to Los Angeles, where she began a career in theatrical production and direction, with more than 75 plays to her credit. In 1988, she made her TV directorial debut with an episode of Charles in Charge. Her other TV credits include The Hughleys, USA High, and One World.