Kanner is a surname. Notable people with the surname include:
Alexis Kanner (1942–2003), French-born English actor Ellie Kanner, American film and television director Heinrich Kanner (1864–1930), Austrian author Leo Kanner (1894–1981), Austrian-American psychiatrist Patrick Kanner (born 1957), French politician Stephen Kanner (1955–2010), American architect
See also Canner (surname)