Sandi Toksvig (born May 3, 1958 in Copenhagen) is a comedian and radio presenter famous in the United Kingdom.

Her father was a foreign reporter for a Danish television channel, and she spent most of her youth abroad. She studied law and anthropology at Girton College, Cambridge, but ended up getting into drama. She wrote and performed in the first all-woman show at the Cambridge Footlights, and moved via children's television into the comedy circuit, working for a time in improvisational comedy.

She has appeared as a panellist in television shows such as Call My Bluff, and Whose Line Is It Anyway?, and radio shows such as I'm Sorry I Haven't A Clue and The News Quiz. She frequently presents the travel-orientated radio show Excess Baggage and also presents a daily programme on London's LBC radio.

She supports the Liberal Democrats and has appeared on BBC Question Time.

She and her ex-partner, Peta, are mothers to three children.