De Boer, de Boer, and variants thereof, are Dutch surnames, deriving from the Dutch word for "farmer", boer. Notable people with the surname include:
Ad de Boer, Dutch politician and journalistAeint Herman De Boer, was the owner of Hotel de Boer (now Inna Dharma Deli Hotel) in Medan, Dutch East IndiesAle de Boer (born 1987), Dutch footballerArthur DeBoer, American doctorBetty de Boer, Dutch politicianBrent De Boer, drummer and backup vocalist with The Dandy WarholsFrank de Boer (born 1970), Dutch football managerHannes de Boer, Dutch athleteHarry DeBoer, American labor activistHerman Pieter de Boer (1928–2014), Dutch writer, journalist and lyricistJan de Boer (gymnast) (1859-1941), Dutch gymnastJan de Boer (footballer) (1898-1988), Dutch association footballerJan de Boer (physicist), Dutch physicistJan Hendrik de Boer, Dutch scientistJelle Taeke de Boer (1908–1970), Dutch art collectorJohanna de Boer, Dutch fencerJohn M. de Boer,(born 1966) U.S. EngineerJohannes de Boer, German soldierKalen DeBoer, American footballerKlaas de Boer, U.S. footballerLieuwe de Boer, Dutch speed skaterMargreeth de Boer, Dutch politicianMatt de Boer, Australian rules footballerMickey de Boer, Dutch international cricketerMieke de Boer, Dutch darts playerNicole de Boer (born 1970), Canadian actressPeter DeBoer, Canadian hockey playerRemmelt de Boer, Dutch educator and politicianRené de Boer (born 1945), Dutch sculptorRoelf de Boer, Dutch politicianRonald de Boer (born 1970), Dutch football midfielderSaco Rienk DeBoer, Dutch architectTed De Boer (1921–2004), the Founder of the National Inventors FoundationTed de Boer (born 1943), Dutch law scholarTobias de Boer (1930–2016), Dutch scientistWubbo de Boer, Dutch civil servantYoann de Boer (born 1982), Dutch football midfielderYvo de Boer, the current Executive Secretary of the United Nations Framework Convention on Climate Change