List of Famous people with last name Dewitt

Rosemarie Braddock DeWitt is an American actress. DeWitt played Emily Lehman in the Fox television series Standoff (2006–07), co-starring with her future husband Ron Livingston, as well as Charmaine Craine on United States of Tara. She also was the title character in 2008's Rachel Getting Married, garnering several awards and nominations for best supporting actress. She starred in the horror/thriller Poltergeist (2015), a remake of the 1982 film of the same name.

Joyce Anne DeWitt is an American actress known for playing Janet Wood on the ABC sitcom Three's Company from 1977 to 1984.

Bryce Seligman DeWitt was born on January 8, 1923, he was an American theoretical physicist renowned for his work in gravitation and quantum field theory.