Zosia Mamet
- Born
- 2 February 1988 (age 38)
- Place of birth
- Randolph, Vermont, USA
- Birth name
- Zosia Russell Mamet
- Height
- 163 cm
- Known for
- Actor
Zosia Russell Mamet is an American actress and musician who has appeared in television series including Mad Men, United States of Tara and Parenthood, and played the character Shoshanna Shapiro on the HBO original series Girls. She stars as Annie Mouradian in the HBO Max original series The Flight Attendant.