Killen (surname)

Killen is a surname. Notable people with the surname include:


 * Bill Killen (born 1938), American politician
 * Chris Killen (born 1981), New Zealand football player
 * Edgar Ray Killen (1925–2018), American criminal
 * Eric Lyle Killen (1892–1955), Australian pastoralist
 * Frank Killen (1870–1939), American baseball player
 * Ged Killen, British politician
 * James Killen (1925–2007), Australian politician
 * Lou Killen (1934–2013), English folk singer
 * M. Evelyn Killen (1871-1951), American temperance advocate
 * William Dool Killen (1806–1902), Irish Presbyterian minister and church historian
 * William Wilson Killen (1860–1939), Australian politician