Portman may refer to:
In companies:
- Portman Building Society
- Portman Group
People with the surname Portman:
- Natalie Portman — Actress
- Rob Portman — American politician and cabinet member
- Rachel Portman — British composer
- Eric Portman — English stage and film actor
- John Portman — American architect and real estate developer
- Bob Portman — American basketball player
- Sir William Portman (died 1557) English judge and Chief Justice of the King’s Bench.
Viscount Portman:
- Viscount Portman
- Edward Berkeley Portman, 1st Viscount Portman
- Henry Portman, 2nd Viscount Portman
- Christopher Portman, 10th Viscount Portman