A kneaded dough dividing apparatus has a divider vessel body having a dough inlet and two dough outlets for discharging kneaded dough as two streams of dough. The divider vessel body is provided therein with an outlet control member that simultaneously partially closes the two dough outlets. The outlet control member is displaceable relative to the two dough outlets to reduce the opening area of one of the two dough outlets when enlarging the opening area of the other of the two dough outlets and to reduce the opening area of the other dough outlet when enlarging the opening area of the one dough outlet.