Lovers and Other Strangers is a 1970 American romantic comedy film directed by Cy Howard, adapted from the 1968 Broadway play by Renée Taylor and Joseph Bologna.

The cast includes Richard S. Castellano, Gig Young, Cloris Leachman, Anne Jackson, Bea Arthur, Bonnie Bedelia, Michael Brandon, Harry Guardino, Anne Meara, Bob Dishy, Marian Hailey, Joseph Hindy, and, in her film debut, Diane Keaton.

It established Richard S. Castellano as a star (receiving an Oscar nomination for his performance) and he and Diane Keaton were cast in The Godfather (1972).

The Oscar-winning song, "For All We Know", was composed by Fred Karlin, with lyrics by Bread's Jimmy Griffin and Robb Royer.

[6] The film was popular at the box office, earning $7.7 million in gross rentals in North America.