Mary Sexton is a Canadian film and television producer, who is partner with Edward Riche in Rink Rat Productions and with Mary Walsh in 2M Innovative. She is best known for her 2001 National Film Board documentary Tommy: A Family Portrait, about her brother, comedian Tommy Sexton. Co-directed with Sexton's husband, , the film received the 2002 Gemini Award for Best History/Biography Documentary program.