Leslie Williams may refer to:Leslie Williams (rugby) (1922–2006), Welsh rugby union, and rugby league footballer of the 1940s and 1950s The Leslie Williams Award for Best and Fairest Player, awarded at the Hong Kong Sevens Leslie Williams (1919–2013), archdeacon of Chester, 1975–1988 Leslie Williams (1909–1996), archdeacon of Bristol, 1967–1979 Leslie Williams (politician), Australian member of the New South Wales Legislative Assembly L. Pearce Williams (1927–2015), professor of the history of science at Cornell University Leslie Allen Williams, American serial killer, rapist, and necrophile