Sir John Deas Thomson, KCH, FRS, FLS (c.1763 – 21 February 1838) was a British Navy administrator.
From 1829 to 1832 he was appointed Accountant-General of the Navy,[2] notably introducing the concept of double-entry bookkeeping to the department.
[4] He then served for several years as the naval storekeeper and agent at the Cape of Good Hope dockyard.
[6] John Deas Thomson died at Farleigh Priory, Maidstone, Kent in 1838.
[7] Cape Thompson, a headland on the Chukchi Sea coast of Alaska, was named after him by Captain Frederick William Beechey of the Royal Navy in 1826.