Portman is an English surname.
Surname
Maurice Vidal Portman, British doctor Bob Portman, American basketball player Eric Portman, English stage and film actor John C. Portman Jr., American architect and real estate developer Natalie Portman, Israeli actress Rachel Portman, British composer Stephen Portman, American conductor and pianist Rob Portman, American politician Sir William Portman (died 1557), English judge and Chief Justice of the King's Bench Adolf Portmann, Swiss Zoologist
Viscount Portman
Christopher Portman, 10th Viscount Portman, British real estate businessman Edward Portman, 1st Viscount Portman, British aristocrat Henry Portman, 2nd Viscount Portman, British politician
Fictional characters
Dean Portman, character in The Mighty Ducks film franchise. Jacob Portman, lead character in Ransom Riggs's novel Miss Peregrine's Home for Peculiar Children.