Maunder is a surname. Notable people with the surname include:
Alexander Maunder (1861–1932), British sport shooter
Annie Scott Dill Maunder (1868–1947), Irish astronomer and mathematician
Edward Walter Maunder (1851–1928), English astronomer
J. H. Maunder (1858–1920), English composer and organist
Lucy Maunder, Australian cabaret and theatre performer
Maria Maunder (born 1972), Canadian rower
Paul Maunder (born 1945), New Zealand film director, playwright and cultural activist
Samuel Maunder (1785–1849), English writer and composer
W.F.Maunder, British statistician whose daughter Virginia Maunder was murdered near Exeter
Wayne Maunder (born 1937), Canadian-American actor
William Maunder (born 1903), Australian association football player
