Andenæs is a Norwegian surname that may refer to: Ellen Holager Andenæs (born 28 August 1947), Norwegian jurist Henrik Andenæs (born 17 September 1950), Norwegian businessman Johannes Andenæs (1912–2003), Norwegian jurist June Andenæs (born 9 June 1983), retired Norwegian handball player Mads Andenæs (born 27 July 1957), legal academic Mads H. Andenæs (1940–2019), Norwegian legal academic, husband of Ellen and son of Johannes Ragnhild Andenæs (born 28 September 1977), Norwegian fencer Tønnes Andenæs (1855–1942), Norwegian jurist, book publisher and politician