Romana Acosta Bañuelos was the thirty-fourth Treasurer of the United States. Appointed by President Richard Nixon on September 20, 1971, she served from December 17, 1971, to February 14, 1974.

The Treasurer of the United States is an officer in the United States Department of the Treasury who serves as the custodian and trustee of the federal government's collateral assets and the supervisor of the department's currency and coinage production functions. As of September 12, 2022, the treasurer is Marilynn Malerba, who is the first Native American to hold the office.