A grain deflector assembly includes a combine head that has a pair of lateral walls and a rear wall extending therebetween. The rear wall has an intake chute extending therethrough. An auger extends between the lateral walls. The auger is positioned in front of the intake chute. A frame has a first end, a second end and a rear side and a front side each extending between the first end and the second end. The frame is coupled to the combine head. The frame extends between the lateral walls. The frame is positioned over the intake chute. The frame extends forwardly over the auger. A panel is coupled to the frame. The panel extends between the first end, the second end, the front side and the rear side. The panel may deflect grain tossed upwardly by the auger such that the grain is directed into the intake chute.