Harry Nelson

Harry Nelson may refer to:
 * Harry Nelson (singer) (1804–?), singer and comedian
 * Harry Nelson (author), American author and healthcare lawyer
 * Harry Jakamarra Nelson (c. 1946–2021), Aboriginal rights campaigner, on the committee of the Aboriginal Publications Foundation in the 1970s
 * Harry L. Nelson (born 1932), American mathematician
 * Harry Nelson, Canadian participant in the Athletics at the 1954 British Empire and Commonwealth Games
 * DCI Harry Nelson, a major fictitious character in Elly Griffiths' Ruth Galloway novels