William Schwartz

William Schwartz may refer to:


 * William Schwartz (law professor) (born 1933), American law professor and corporate director
 * William Schwartz (physician) (1922–2009), nephrologist
 * William Bernstein Schwartz Jr. (1922–2010), American businessman and United States Ambassador to the Bahamas
 * William C. Schwartz (1927–2000), civic leader in Central Florida and laser industry pioneer
 * William J. Schwartz (born 1950), American neurologist and professor
 * William S. Schwartz (1896–1977), American artist