Andrew Holger Olsen (30 Nọvemba 1930 - 23 Mee 2014) bụ onye bụbu onye ọka ikpe bọọlụ bọọlụ bụ onye rụrụ ọrụ na National League site na 1968 ruo 1980, na-eyi uwe nọmba 12 maka ọtụtụ ọrụ ya. Olsen gbara bọọlụ 1,860 n'egwuregwu ndị isi n'afọ iri na atọ ya. Ọ gbara bọọlụ na 1974 World Series, League Championship Series atọ (1971
, 1975, na 1978) na 1976 Major League Baseball All-Star Game. Olsen na-egwuri egwu na obere leagues site na, dị ka ite.