Ruby Wax is an American actress, comedian, mental health campaigner, lecturer and author who has lived in England since the 1970s. 

A classically trained actress, Wax starred in the sitcom Girls on Top (1985–86), and came to prominence as a comic interviewer, playing up to British perceptions of the strident American style, in shows including The Full Wax (1991–94) and Ruby Wax Meets... (1994–98). She was the script editor for the sitcom Absolutely Fabulous (1992–2012), also appearing in two episodes. Her memoir How Do You Want Me? (2002) reached the Sunday Times best-seller list.

Wax studied psychology at the University of California but did not complete her degree and in 2013 she gained a master's degree in mindfulness-based cognitive therapy from Kellogg college, Oxford. In 2015, she was appointed a Visiting Professor in Mental Health Nursing at the University of Surrrey.

She is married to Ed Bye