William Wilson (born 28 June 1913) is a retired solicitor and Labour Party politician in the United Kingdom.

William Wilson is a short story by Edgar Allan Poe on the theme of the doppelgänger. It was first published in 1839, and appeared in the 1840 collection Tales of the Grotesque and Arabesque.

William Wilson (born November 13, 1844 in London, England) was a late 19th Century Scottish journalist, swimming instructor and coach, and contributor to the scientific techniques behind competitive swimming. In 1883, Wilson published "The Swimming Instructor," one of the first books on swimming to define modern concepts of stroke efficiency, training, racing turns and water safety.