Trapp is a surname. Notable people with the surname include:
A. A. Trapp, Manitoba politician
Albert Trapp, Manitoba politician
Elisabeth von Trapp, folk singer, granddaughter of Georg and Agatha von Trapp
Georg Ludwig von Trapp, naval officer and head of the singing family immortalized in the musical The Sound of Music.
James Trapp, former American sprinter and American football player
John Trapp, English Anglican Bible commentator
Kevin Trapp, German football goalkeeper
Maria von Trapp, stepmother and matriarch of the Trapp Family Singers
Maria F. von Trapp, member of the Trapp Family Singers
Martin E. Trapp, Oklahoma politician
Petr Trapp, a Czech footballer
Werner von Trapp, member of the Trapp Family Singers
Wil Trapp, American professional soccer player
Fictional characters:
Captain Edward Trapp, a fictional hero of Brian Callison's 4-book series
