Otto Fredrik Authén (1 Nọvemba 1886 <unk> 7 Julaị 1971) bụ onye na-eme egwuregwu mmega ahụ Norwegian nke so na asọmpi Olympic nke 1908. Dị ka onye so n'òtù egwuregwu ndị Norway, o nwetara ihe nrite ọlaọcha n'asọmpi egwuregwu mmega ahụ nke ìgwè
n'afọ 1908.