McCunn is the surname of the following notable people:
Hamish MacCunn (1868–1916), Scottish composer, conductor and teacher Ruthanne Lum McCunn (born 1946), American novelist John McCunn (1820–1872), corrupt New York judge and member of the infamous Tweed Ring Dickson McCunn, fictitious character in John Buchan's novels Huntingtower and The Adventures of Dickson McCunn Carl McCunn (1947–1981), American wildlife photographer Thomas McCunn, the longest serving lifeboat at Longhope with over 300 lives saved
See also McCune (surname) McKeown MacEwen