Ivar Henning Mankell (3 June 1868 in Härnösand – 8 May 1930 in Stockholm) was a Swedish composer, largely of piano works. He studied at the conservatory in Stockholm from 1887 to 1895, and studied piano under . He was a member of the Royal Swedish Academy of Music, and wrote music criticism for the Svenska morgonbladet and the Stockholms-tidningen. He gave private lessons in piano and music theory. He is also the grandson of , the son of painter , and the grandfather of author Henning Mankell.