Alonzo Barton Hepburn was an American politician from New York, famed for being the Chairman of the New York State Legislature's eponymous Hepburn Committee of 1879 that investigated the operations of what became known later as the Railroad Trust based in New York State. He was Comptroller of the Currency from 1892 to 1893.

The Office of the Comptroller of the Currency (OCC) is an independent bureau within the United States Department of the Treasury that was established by the National Currency Act of 1863 and serves to charter, regulate, and supervise all national banks and thrift institutions and the federally licensed branches and agencies of foreign banks in the United States. The acting Comptroller of the Currency is Michael J. Hsu, who took office on May 10, 2021.