Peter or Pete Williams may refer to:
Academics
Peter Williams (musicologist) (1937–2016), English musicology professor and Bach scholar Peter Williams (educationalist) (born 1948), British educationalist Peter Damian Williams (born 1957), Australian historian
Arts and entertainment
Peter Williams (dance critic) (1914–1995), English ballet critic and writer
Peter Williams (actor, born 1915) (1915–2003), American-British actor
Jim Bowen (Peter Williams, 1937–2018), English stand-up comedian
Peter Williams (painter) (1952–2021), American painter
Pete Williams (journalist) (born 1952), American journalist and television correspondent Peter Williams (broadcaster) (born 1954), New Zealand television presenter Peter Williams (actor, born 1957), Jamaican-born actor Pete Williams (musician) (born 1960), English musician Peter Llewellyn Williams (born 1964), British stage and television actor Pete Williams (fl. 2001), creator of the animated sitcom Undergrads
Politics and law
Harrison A. Williams (1919–2001), a.k.a. Pete Williams, U.S. senator from New Jersey Peter Williams (lawyer) (1934–2015), New Zealand jurist Peter Barry Williams (fl. 1980–1984), Commissioner of ICAC, Hong Kong
Religion
Peter Williams (Welsh Methodist) (1723–1796), leader of Welsh Methodism
Peter Bailey Williams (1763–1836), Welsh Anglican priest and amateur antiquarian
Peter Williams Jr. (1780–1840), African-American Episcopal priest
Science and medicine
Peter Williams (physician) (1925–2014), British physician
Peter Williams (physicist) (born 1945), British physicist, chairman of Oxford Instruments; Chancellor, University of Leicester Peter Francis Williams (active since 1999), Australian astronomer
Sports
Australian rules football
Peter Williams (Australian footballer, born 1867) (1867–1949), VFL footballer for Carlton Peter Williams (Australian footballer, born 1944), VFL footballer for Fitzroy Peter Williams (Australian footballer, born 1957), VFL footballer for Richmond
Cricket
Peter Williams (Irish cricketer) (1897–1971), Irish cricketer for Sussex and several other teams in England Peter Williams (Australian cricketer) (born 1942), Australian cricketer, played for Victoria Peter Williams (South African cricketer) (1957–2014), South African cricketer
Other sports
Peter Williams (rugby union, born 1884) (1884–1976), New Zealand rugby union international footballer Peter Williams (English footballer) (born 1931), English footballer Peter Williams (motorcyclist) (1939–2020), British motorcycle racer, participant in the Isle of Man TT, 1967 Peter Williams (rugby, born 1958), English rugby union and rugby league footballer Pete Williams (basketball) (born 1965), American professional basketball player Peter Williams (footballer, born 1960), Welsh association footballer Peter Williams (swimmer) (born 1968), South African swimmer Pete Williams (fighter) (born 1975), American mixed martial arts fighter Petey Williams (born 1981), Canadian professional wrestler Peter Williams (alpine skier) (born 1983), New Zealand para-alpine sit-skier Peter Williams (cyclist) (born 1986), British racing cyclist
Others
Peter Williams (Medal of Honor) (1831–?), American Civil War sailor
Peter Gordon Williams (1920–1982), British businessman and unofficial member of the Legislative Council of Hong Kong Peter D. Williams (born 1939), United States Marine Corps general and aviator Peter Williams (businessman) (born 1974), British businessman, co-founder of Jack Wills clothing brand