McFadzean is a surname. Notable people with the surname include:
Cameron McFadzean (born 1971), Australian sprint canoer
David McFadzean, American television producer, writer and playwright
Kyle McFadzean (born 1987), English footballer
William McFadzean (1895–1916), Irish World War I Victoria Cross recipient
William McFadzean, Baron McFadzean (1903–1996), British politician