Peter Donahue or Donohue is the name of:
Peter Donahue (businessman) (died 1885), founder of industrial San Francisco Peter Donohue (educator), British education official in Hong Kong Peter M. Donohue, Roman Catholic priest and president of Villanova University Pete Donohue (1900–1988), baseball pitcher
See also Peter O'Donohue (1923–2012), Australian rules footballer Peter Donohoe (disambiguation)