Ellefson

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


 * Art Ellefson (1932–2018), Canadian saxophonist
 * Ben Ellefson (born 1996), American football player
 * Christian Ellefson (1842–1925), American politician
 * David Ellefson (born 1964), American musician
 * Peter Ellefson, American trombonist and academic
 * Ray Ellefson (1927–1994), American basketballer