A diaphragm pump with at least one pump chamber, the pump chamber being connected to an inlet chamber via an inlet valve and to an outlet chamber via two outlet valves. The inlet valve having an inlet opening that can be closed by an inlet valve body and the outlet valve respectively having an outlet opening that can be closed by an outlet valve body. The two outlet valves and the inlet valve form a triangle in a projection onto a projection plane transverse to the longitudinal axis of the pump chamber.