Behaving Badly is a 1989 British television serial directed by David Tucker. The teleplay by Catherine Heath and Moira Williams is based on Heath's novel of the same name. It was initially broadcast by Channel 4. The series was released on DVD in 2005.

The plot focuses on Bridget Mayor, a middle-aged housewife and part-time teacher who is forced to re-evaluate her life when her husband of twenty years abandons her for a younger woman.