The Treasurer of the Navy, originally called Treasurer of Marine Causes or Paymaster of the Navy, was a civilian officer of the Royal Navy, one of the principal commissioners of the Navy Board responsible for naval finance from 1524 to 1832. The treasurer was based at the Navy Pay Office.

The Navy Board was the commission responsible for the day-to-day civil administration of the Royal Navy between 1546 and 1832. The board was headquartered within the Navy Office.