David Kossoff (24 November 1919 – 23 March 2005) was a British actor.
In 1954 he won a BAFTA for his appearance in The Young Lovers.
He played Alf Larkin in The Larkins and Professor Kokintz in The Mouse that Roared (1959) and its sequel The Mouse on the Moon (1963).Because of the drug use of his son Paul, a rock musician, who subsequently died, he became an anti-drug campaigner.
In 1971 he was also actively involved in the Nationwide Festival of Light, an organisation protesting against the commercial exploitation of sex and violence, and advocating the teachings of Christ as the key to re-establishing moral stability in Britain.