Abstract: The present invention concerns a ladder brace. More particularly, but not exclusively, this invention concerns a ladder brace for engaging with the legs of a ladder thereby providing stability to the ladder. A ladder brace comprises a receiving portion for receiving and engaging with the stiles of a ladder, and at least one support member extending away from the receiving portion. The receiving portion comprises an aperture with a first inner edge and second inner edge, wherein the first inner edge is disposed away from and opposite to the second inner edge, such that when a ladder is placed within the receiving portion each ladder stile engages with the first inner edge and second inner edge.