Jonathan Williams
Jonathan Williams or Jon Williams may refer to:
- Jonathan Williams (antiquary) (died 1829), Welsh antiquary
- Jonathan Williams (engineer) (1751–1815), American businessman, military figure, politician, writer and engineer
- Jonathan Williams (footballer) (born 1993), Wales international footballer
- Jonathan Williams (poet) (1929–2008), American poet, publisher, essayist, and photographer
- Jonathan Williams (racing driver) (1942-2014), Formula 1 driver
- Jonathan Williams (defensive lineman) (born 1985), professional Canadian football defensive lineman
- Jonathan Williams (running back, born 1988), American football player
- Jonathan Williams (running back, born 1994), American football player
- Jonathan Williams (pianist) (born 1974), American pianist, songwriter and vocalist
- Jonathan Williams (athlete), American runner who has represented Belize
- Jonathan Williams (horn player) (born 1957), British horn player
- Jonathan "Caveman" Williams, person killed in the 2003 John McDonogh High School shooting
- Jon Williams, video game programmer, creator of Jet-Boot Jack