Susan E. Dietter, usually credited as Susie Dietter, is an American director, known primarily for her work on television cartoons. She has directed episodes of the popular series Futurama, Baby Blues, The Simpsons, Recess and The Critic. She also worked as an animator for the modern-day Looney Tunes "Museum Scream" and "My Generation G... G... Gap".

Dietter was a nominee for the 2000 Annie Award for Outstanding Individual Achievement for Directing in an Animated Television Production for her direction of the Futurama episode "A Bicyclops Built for Two".^[1] She also shared an Emmy Award-nomination for Outstanding Animated Series with her fellow producers of Futurama.

Dietter was the first female director on The Simpsons, Futurama, Baby Blues, and The Critic.^{[citation needed]}

Dietter also was a storyboard artist on the animated movie Open Season. ^{[citation needed]}