Otten is a Dutch and Low German patronymic surname (son of Ot, Otte, Otto). It can refer to
Andy Otten (born 1989), Australian rules footballerDon Otten (1921–1985), American basketball playerElse Otten (1873–1931), Dutch translatorErnie Otten (born 1954), South Dakota politicianFrans Otten (1895–1969), Dutch businessman, president of Philips from 1939 to 1961Otten Cup, annual youth football tournament named after Frans OttenGeorge H. Otten (1889–1978), American landscape architectHerman Otten (born 1966), South Dakota politicianJacob Otten Husly (1738–1796), Dutch architectJim Otten (born 1951), American baseball playerJohn Otten (1870–1905), American baseball playerJonny Otten (born 1961), German footballerKarl Otten (1889–1963), German expressionist writer and broadcasterKate Otten (born 1964), South African architectLes Otten (born 1949), American businessmanLouis Otten (1883–1946), Dutch footballerMac Otten (born 1925), American basketball playerMarissa Otten (born 1989), Dutch racing cyclistMark Otten (born 1985), Dutch footballerMatthew Otten (born 1981), American basketball playerMax Otten (born 1992), Australian rules footballerRyan Otten (born 1990), American football playerScott Otten (born 1994), Welsh rugby playerThomas Otten, French New Age singerWillem Jan Otten (born 1951), Dutch writer, playwright and poetOttensBrad Ottens (born 1980), Australian rules football player, brother of LukeLou Ottens (born 1926), Dutch engineer and inventorLuke Ottens (born 1976), Australian rules football player, brother of Brad