Thomas Jamison (c. 1753 – 25 January 1811) was a naval surgeon, who was surgeon mate on HMS Sirius as part First Fleet which founded Colony of New South Wales in 1788. He was surgeon at the Norfolk Island settlement, before returning to Sydney and becoming primary surgeon of colony. He was also involved in mercantile dealings which led to the Rum Rebellion, and its overthrow of Governor William Bligh.