Diana Miller (March 18, 1902 – December 18, 1927) was an American actress in silent motion pictures.

Born in Seattle, Washington, Miller entered movies with assistance from actor Wallace Reid.

She worked for five years for Famous Players–Lasky before she lost her job and rebounded with the Fox Film Company.

She played the role of Celeste in She Wolves (1925) before making The Kiss Barrier (1925), which featured Edmund Lowe.

Her final film roles came in the mid-1920s in The Fighting Heart (1925), When The Door Opened (1925), and The Cowboy and the Countess (1926).