Mark Valenti is an American writer best known for family-oriented television programs and YA novels. His credits include: Menno's Mind, Like Father, Like Santa, Rugrats, LazyTown, My Friends Tigger and Pooh, The Christmas Angel: A Story on Ice, Back to the Future: The Animated Series, Gaspard and Lisa, and Olivia. He also wrote the script for the 2011 Hallmark Channel movie The Christmas Pageant starring Melissa Gilbert. In 2019 his film My Wife's Secret Life aired on the Lifetime Channel.