Joanne Frost is an English television personality, nanny and author. She is best known for the reality television programme Supernanny UK, in which she was the central figure.

In 2010, Frost announced that she was quitting Supernanny after six years on air. At the time, the TV star revealed plans to start her own family, saying: "I need to create more balance in my life." She continued: "[Having children] is not an option when you are traveling and working 46 weeks out of the year.