Samuel Williamson may refer to:
Samuel Williamson (painter) (1792–1840), English painter Samuel Williamson (academic) (1795–1882), president of Davidson College Samuel T. Williamson (1891–1962), American journalist, biographer and book reviewer Samuel R. Williamson Jr. (born 1935), American academic, president and vice-chancellor of the University of the South, Sewanee, Tennessee Samuel Williamson (scientist) (1939–2005), physicist and neuroscientist, co-developer of magnetic source imaging Sam Williamson (born 1987), English footballer Samuel Williamson (swimmer) (born 1997), Australian swimmer Samuel H. Williamson, leading economist "Measuring economic worth over time".