Sir Samuel is an abandoned town located between Leinster and Wiluna in the Goldfields-Esperance region of Western Australia.

Officials lobbied for a townsite to be created in 1896 following the realisation that the area was becoming an important mining centre.

[2] The name is derived from the nearby Mount Sir Samuel that was named after Chief Justice and Lieutenant-Governor of South Australia, Sir Samuel James Way by the explorer Lawrence Wells, who was on a surveying expedition in the area in 1892.

A police station camp was opened in the town in 1899, consisting of tents and brush shelters.

[3] In 1938, an article in the Western Mail estimated that Sir Samuel had a population of 4,000 people at its peak (in about 1908), and included two pubs, three banks, a post office, a school, a rifle range, and a racecourse.