Henni may refer to:
People Henni Forchhammer (1863–1955), Danish educator, feminist and peace activist Henni Lehmann (1862–1937), politically and socially active German painter Henni Zuël (born 1990), English golfer John Henni (1805–1881), Swiss-born Milwaukee Catholic prelate Lisa Henni (born 1982), Swedish actress Mohamed Henni (born 1989), French YouTuber
Places Bou Henni, Algeria Henni Hall, part of Saint Francis de Sales Seminary
Species Arius henni Phenacobrycon henni