Diane Adler was an American editor.

She is known for editing the feature film The Presidio (1988), and for her work as an editor on the 1970s James Garner television series The Rockford Files.

Adler began her career editing commercials into television shows at 20th Century Fox Television. She would go on to assist John Woodcock on the film El Dorado (1967) before landing a job at Warner Bros. on The Bill Cosby Show.

She edited a number of telefilms including The Girl Most Likely to ..., starring Stockard Channing, Thursday's Game, with Gene Wilder, and Huckleberry Finn, starring Ron Howard, and went back into episodic television on Telly Savalas' Kojak.

The pioneering editor went on to edit a number of television series and TV movies including Bret Maverick, Lottery!, The Rousters, Riptide, Hunter, Spenser: for Hire, and Wild Jack.

Adler died April 22, 2021, in Los Angeles, California. She was 97.