Nyren is a surname. Notable people with this surname include:
Carl Nyrén (1917–2011), Swedish architect John Nyren (1764–1837), English cricket player and author Jonas Nyrén, Swedish metal vocalist Njogu Demba-Nyrén (born 1979), Gambian football player Pål Nyrén (born 1955), Swedish biochemist Richard Nyren (1734–1797), English cricket player