De Bruyn is a Dutch and Afrikaans surname. "Bruyn" or "bruijn" is an archaic spelling of "bruin", meaning "brown". People with the name include:
Aad de Bruyn (1910–?), Dutch 35-fold national champion in discus, shot put and hammer throwAbraham de Bruyn (c.1539–1587), Flemish engraverAnna Maria de Bruyn (1708–1744), Dutch stage actress and ballet dancerCornelis Adriaan Lobry van Troostenburg de Bruyn (1857–1904), Dutch chemistErik de Bruyn (b. 1962), Dutch film director and actorEttiene de Bruyn (b. 1977), South African cricketerFrans De Bruyn (b. 1924), Flemish writerGünter de Bruyn (b. 1926), German authorJoe de Bruyn (b. 1949), Australian trade union officialJohn de Bruyn (b. 1956), Dutch-Canadian ice hockey goaltenderLouis de Bruyn (b. 1982) South African Master Builder at HLP ConstructionMichelle De Bruyn (b. 1965), New Zealand professional football playerNicolaes de Bruyn (1571–1656), Flemish engraverPaul de Bruyn (1907–1997), German-American marathon runnerPierre de Bruyn (b. 1977), South African cricketerPiet De Bruyn (b. 1968), Belgian politicianRobert de Bruyn (b. 1991), South African rugby playerSophia Williams-De Bruyn (b. 1938), South African anti-apartheid activist and provincial legislatorStephanus De Bruyn (b. 1979), South African is a world leading Malware AnalystTewis de Bruyn (b. 1982), South African rugby playerZander de Bruyn (b. 1975), South African cricketer