List of Famous people named Cathleen

Mary Cathleen Vanderbilt Cushing Lowman Arostegui was an American heiress and member of the Vanderbilt family.

Cathleen Synge Morawetz was a Canadian mathematician who spent much of her career in the United States. Morawetz's research was mainly in the study of the partial differential equations governing fluid flow, particularly those of mixed type occurring in transonic flow. She was professor emerita at the Courant Institute of Mathematical Sciences at the New York University, where she had also served as director from 1984 to 1988. She was awarded the National Medal of Science in 1998.

Cathleen Nesbitt was an English actress of stage, film and television.

Cathleen Sabine Mann RP ROI, styled the Marchioness of Queensberry from 1926 to 1946, was a British portrait painter and costume designer for film. She was a member of the Royal Institute of Oil Painters and the Royal Society of Portrait Painters.