Thomas Allan Croal

Thomas Allan Croal (9 December 1832 – 4 April 1907) was a British historian and author. He wrote, or contributed to, several publications during the late 19th- and early 20th centuries, including A Book About Travelling, Past and Present (1877), Scottish Loch Scenery (1882) and Palaces and Prisons of Mary, Queen of Scots (with Michael Myers Shoemaker, 1903).

In 1901, while working as a correspondent for The Railway News in London, he contributed a section on Scotland's transport system to Francis Hindes Groome's book Ordnance Gazetteer of Scotland: A Graphic and Accurate Description of Every Place in Scotland.