'''Kjerulf''' (Kjærulf, Kjærulff, Kierulff, Kierulf, Kiærulff, Kiærulf, Kærulf or Kjaerulf) is a Danish surname. Notable people with the surname include:
;People * Axel Kjerulf (1884–1964), Danish composer * Charles Kjerulf (1858–1919), Danish composer * Halfdan Kjerulf (1815–1868), Norwegian composer * Theodor Kjerulf (1825–1888), Norwegian geologist
;Places * Kjerulf Fjord, NE Greenland * Kjerulf Glacier, South Georgia * Kjerulfbreen, Svalbard * Kjerulf Glacier (Jan Mayen), Jan Mayen * Kjerulføya, island in Svalbard
{{surname|Kjerulf}}
Category:Danish-language surnames