Erik II Hatevoet Emune , died September 18, 1137) was king of Denmark between 1135 and 1137. He was an illegitimate son of Erik I Eiegod. His nickname means "the Memorable".

Erik married Malmfrid of Kiev, the daughter of Grand Duke Mstislav of Kiev, and the former wife of King Sigurd I of Norway. Their son was King Sweyn III of Denmark.

He died at Urnehoved Ting in 1137.