James Harper
James Harper may refer to:
- James Harper (publisher), mayor of New York City
- James Harper (actor), American actor
- James Harper (footballer), English footballer
- James Harper (congressman), US congressman from Pennsylvania
- James C. Harper, US congressman from North Carolina
- James Harper (priest), Dean of St Andrews, Dunkeld and Dunblane
- Jim Harper (footballer), Australian rules footballer
- Jim Harper, a fictional character also known as Guardian, who appears in DC Comics media
- Jim Harper, a fictional character in the American television series The Newsroom
- Jimmy Harper, a fictional character in the musical ''Reefer Madness''