Trio (also known as W. Somerset Maugham's Trio) is a 1950 British anthology film based on three short stories by W. Somerset Maugham: "The Verger", "Mr Know-All" and "Sanatorium". Ken Annakin directed "The Verger" and "Mr Know-All", while Harold French was responsible for "Sanatorium".

Trio is the second of a film trilogy, all consisting of adaptations of Maugham's stories, preceded by the 1948 Quartet and followed by the 1951 Encore. Production budget of the film was shared by the J. Arthur Rank Organization and Paramount.

The film was nominated for the Academy Award for Best Sound, Recording (Cyril Crowhurst) and was the final one released under the Gainsborough Pictures banner.