Engen is a surname of Scandinavian origin which may refer to:
Alexandra Engen (born 1988), Swedish cross country cyclist Alf Engen (1909–1997), Norwegian-American skier and skiing school owner/teacher Asbjørn Engen (1917/1918–1985), Norwegian newspaper editor and organizational leader Bjarte Engen Vik, Norwegian Nordic combined athlete Chris Engen (actor), American actor Corey Engen (1916–2006), American skier Donald D. Engen (1924–1999), US Navy vice admiral Hans Engen (1912–1966), Norwegian journalist, diplomat and politician Ingrid Syrstad Engen (born 1998), Norwegian footballer John Engen (1964–2022), American politician from Montana Jon Engen (1957–2018), American skier Kieth Engen (1925–2004), American operatic bass and pop singer Rolf Engen (1929–2018), American businessman Ståle Engen (born 1947), Norwegian long-distance runner Svein Engen (born 1953), Norwegian biathlete Sverre Engen (1911–2001), Norwegian-American skier, ski coach, ski area manager and film-maker Whitney Engen (born 1987), American soccer player