Jay Adler (August 4, 1896 – September 24, 1978) was an American actor in theater, television, and film.

Adler's Broadway credits included Cafe Crown (1942), Blind Alley (1940, 1935), Prelude (1936), and Man Bites Dog (1933).

[6] During a long acting career of minor character roles, Jay Adler appeared in more than 40 films and 37 television series between 1938 and 1976, accumulating more than 130 total performing credits.

He appeared in The Big Combo (1955), Stanley Kubrick's The Killing (1956) and Jerry Lewis' The Family Jewels (1965).

In 1962, he appeared in the episode "To Climb Steep Hills" of the adventure drama television series Straightaway.