Heun

Heun is a German surname. Notable people with the surname include:
 * Conor Heun (born 1979), American mixed martial artist
 * Carl Heun, (1771–1854), German author, better known by his pseudonym Heinrich Clauren
 * Dirk Heun (born 1953), German footballer
 * Dustin Heun (born 1984), German footballer
 * Jürgen Heun (born 1958), East German footballer
 * Karl Heun (1859–1929), German mathematician
 * Wilhelm Heun (1895–1986), German Wehrmacht general
 * John Heun, (born 1974), American Human Resources Executive