Van de Graaf, also spelled van de Graaff, van der Graaf or van der Graaff, is a Dutch surname. Notable people with this surname include the following: Van de Graaf Bobbie van de Graaf (born 1944), Dutch rower, unrelated to Freek and Jan Janet van de Graaf, Canadian improv artist and television actress Jeff Van de Graaf (born 1959), Australian swimmer Willem Jacob van de Graaf (1736–1804), Governor of Dutch Ceylon Van de Graaff Adrian Van de Graaff (1891–1936), American college football player and coach Freek van de Graaff (1944–2009), Dutch rower, unrelated to Bobbie and Jan Hargrove Van de Graaff (1893–1938), American college football player Jan van de Graaff (born 1944), Dutch rower, unrelated to Bobbie and Freek Peter Van de Graaff (born 1961), American singer and radio personality Robert J. Van de Graaff (1901–1967), American physicist William T. Van de Graaff (1895–1977), American football player Van der Graaf Jan van der Graaf (1937–2022), Dutch church administrator Karen Van der Graaf (born 1962), Australian swimmer Pascal van der Graaf (born 1979), Dutch painter Valerie van der Graaf (born 1992), Dutch model Volkert van der Graaf (born 1969), Dutch environmentalist and assassin Van der Graaff Laurien van der Graaff (born 1987), Swiss cross-country skier See also de Graaf (surname) Van de Graaf canon, page construction originated in 1946 by Joh. A. van de Graaf in his Nieuwe berekening voor de vormgeving Van de Graaff (crater) Van de Graaff generator, an electrostatic generator that generates very high electrostatically stable voltages Van der Graaf Generator, an English progressive rock band Dutch-language surnames Surnames of Dutch origin