Janny may refer to:
People Surname
Georg Janny (1864-1935), Austrian landscape painter and set designer
Given name Janny Brandes-Brilleslijper (1916–2003), Dutch Holocaust survivor, among the last people to see Anne Frank Janny Knol (born 1969), Dutch police officer Janny Sikazwe (born 1979), Zambian football referee Janny Wurts (born 1953), American fantasy novelist and illustrator
Other Internet slang for Forum Moderator, in the sense that they are the "Janitor" of a community.
See also Jenny (disambiguation) Jannie