Erl King

Erl King may refer to:
 * SS Erl King (1865), a British auxiliary steam ship
 * Erlking, a spirit in German folklore
 * "Der Erlkönig" ("The Erl-King"), a 1782 poem by Goethe set to music by many composers, most notably Schubert
 * The Erl-King (novel), of 1970 by Michel Tournier