Tom, Dick and Harriet is a British sitcom that was broadcast for two series from 1982 to 1983. It was created by the sitcom writing team of Johnnie Mortimer and Brian Cooke, and it starred veteran actor Lionel Jeffries in one of his few television roles, only seven months after his previous TV sitcom role in Father Charlie, Ian Ogilvy (who had a few years before been cast as Simon Templar a.k.a. The Saint in Return of the Saint), and Brigit Forsyth (best known for her role as Thelma Ferris in The Likely Lads/Whatever Happened to the Likely Lads?).

It was made by Thames Television for the ITV network.