Download coordinates as: The County of Deas Thompson is a county (a cadastral division) in Queensland, Australia.

The county was named for Edward Deas Thomson, a New South Wales politician, but the name was misspelt Thompson when applied to the county.

[2][3] The county was created on 1 September 1855 by royal proclamation under the Waste Lands Australia Act 1846.

[4] On 7 March 1901, the Governor issued a proclamation legally dividing Queensland into counties under the Land Act 1897.

[5] Its schedule described Deas Thompson thus: Bounded on the south by the county of Clinton; on the west by the western boundaries of the parishes of Raglan and Ultimo; on the north by the northern boundaries of the parishes of Ultimo, San Jose and Casuarina; and on the east by the Pacific Ocean,—including Curtis and Facing and other adjacent islands.Deas Thompson is divided into parishes, as listed below: