A. Singh is a common name that can refer to various individuals across different fields, including business, sports, and academia. The name "Singh" is often associated with individuals of Indian descent, particularly among Sikh communities, where it signifies bravery and strength. In the context of sports, A. Singh may refer to athletes who have made significant contributions to their respective disciplines. For instance, A. Singh could be a notable player in cricket or field hockey, representing their country in international competitions and contributing to the growth of the sport.