Thomas Anson, FRS was a British Member of Parliament, traveller and amateur architect from the Anson family.

The Anson family is a British aristocratic family. Over time, several members of the Anson family were made knights, baronets and peers. Hereditary titles held by the Anson family include the earldom of Lichfield and the Anson baronetcy. Over time, several members of the family have risen to prominence, including Admiral of the Fleet George Anson, 1st Baron Anson, PC, FRS (1697–1762) and the society photographer Patrick Anson, 5th Earl of Lichfield (1939–2005).