Hannes de Boer (2 December 1899 – 2 April 1982) was a Dutch long jumper.
[1] De Boer was born in Hollum, on the West Frisian island of Ameland.
[2] De Boer was also a member of the Dutch 4 x 100 metres relay team that set a national record in 1926.
This record was broken in 1934 by a relay team that included Chris Berger and Tinus Osendarp.
He worked as an office clerk, but later became a cameraman for Dutch cinema newsreels.