Birkin is a surname, and may refer to several people from the same family of Birkin baronets:
- Andrew Birkin actor, screenwriter, and director; brother of Jane
- Anno Birkin, musician; son of Andrew
- Archie Birkin, British racing driver; brother of Henry
- Charles Birkin, British horror story author; 5th Baronet
- David Tristan Birkin, British actor; son of Andrew
- Henry Birkin, British racing driver; 3rd Baronet
- Jane Birkin (1946–2023), English-French actress and singer
- Richard Birkin (1805-1870), British lace manufacturer
- Thomas Birkin (1831-1922), 1st Baronet, lace manufacturer, son of Richard Birkin
The surname is also shared by the following unrelated individuals: