Van Loon ( [vɑn ˈloːn]) is a Dutch language toponymic surname. "Loon", an Old Dutch dative plural of "Lo" meaning "near/in the woods", is (part of) the name of multiple towns (e.g. Borgloon and Loon op Zand) and two medieval counties in the Low Countries. Notable people with the surname include:
Van Loon (family), Dutch noble familyAgnes van Loon (1150–1191), duchess consort of BavariaAntonius van Loon (1888–1962), Dutch tug of war competitorBorin Van Loon (born 1976), British illustratorEmmo van Loon (died 1078 AD), count of the County of LoonGiselbert van Loon (c. 980 – c. 1045), count of the County of LoonHendrik Willem van Loon (1882–1944), Dutch-American historian and journalistVan Loon's Lives, his 1942 bookJohan van Loon (born 1934), Dutch ceramist and textile artistJordy van Loon (born 1993), Dutch child singerJulienne van Loon (born 1970), Australian writerLawrence Gwyn van Loon (1903-1985), American general practitioner, historical linguist and forgerLouise Van Loon (1905-1987), American wife of Reginald SheffieldMaria van Loon-Heinsberg (1426–1502), countess consortMartine van Loon (born 1972), Dutch singerPeeter van Loon (ca. 1600–1660), Flemish painterPatrick van Loon (born 1974), Dutch judokaPaul van Loon (born 1955), Dutch children's author and singerRichard J. Van Loon (born 1940), Canadian academic and civil servantTheodoor van Loon (1581 or 1582–1649), Flemish Baroque painterTon van Loon (born 1956), Dutch generalWillem van Loon (1891–1975), Dutch tug of war competitor