Harold Nelson

Harold Nelson may refer to:


 * Harold George Nelson (1881–1947), Australian politician
 * Harold Nelson (athlete) (1923–2011), New Zealand long-distance runner
 * Harold "H" Nelson (1928–2016), English cycling coach
 * Harold E. H. Nelson (1871–1948), British book illustrator, artist and designer of bookplates
 * Harold G. Nelson (born 1943), American architect, consultant and systems scientist
 * Harold S. Nelson (1890-1972), American lawyer and politician