Robert, Rob, Robbie, Bob or Bobby Williams may refer to:
Entertainment
Film
- Robert Williams (actor, born 1894) (1894–1931), American stage and film actor
- Robert B. Williams (actor) (1904–1978), American film actor
- Robert Guillaume (1927–2017), American film actor whose birth name is Robert Williams
- R. J. Williams (born 1978), American former child actor and later internet entrepreneur
- Rob Williams (filmmaker), American film director
Music
- Robert Pete Williams (1914–1980), American blues guitarist
- Chocolate Williams (Robert Williams Jr., 1916–1984), American jazz bassist and blues vocalist
- Bob Williams (singer) (1918–2003), American singer and one of the Williams Brothers
- Robert Williams (singer) (1949–2022), Greek singer and composer
- Robert S. Williams (born 1949), American bassoon player of the Detroit Symphony Orchestra
- Robert Williams (drummer) (born 1955), American drummer with Captain Beefheart, Hugh Cornwell, and solo
- Robbie Williams (born 1974), British pop singer and former member of Take That
- Rob Williams (1979–2009), partner of business Dolphin Music
- Meek Mill (Robert Rihmeek Williams, born 1987), American rapper
Writers
- Robert Williams (poet) (1744–1815), Welsh poet
- Robert Williams (Robert ap Gwilym Ddu) (1767–1850), Welsh-language poet
- Robert Williams (Trebor Mai) (1830–1877), Welsh-language poet
- Robert Moore Williams (1907–1977), American science fiction novelist
- Robert Williams (artist) (born 1943), American cartoonist and painter
- Rob Williams (comics), British comic writer
Military
- Robert Williams (Royal Navy officer) (1765–1827) English rear-admiral in the Royal Navy
- Robert Williams (adjutant general) (1829–1901), American brigadier general and Adjutant General of the US Army
- Robert Williams (Medal of Honor) (1837–unknown), American sailor and Medal of Honor recipient
- Robert B. Williams (general) (1901–1977), World War II major general in the United States Army Air Forces
- Robert H. Williams (soldier) (1908–1983), American Marine brigadier general
Politics
UK
- Sir Robert Williams, 2nd Baronet (c. 1627–1678), MP for Carnarvonshire, 1656–1658, and for Carnarvon Boroughs, 1659
- Robert Williams (died 1763) (1695–1763), MP for Montgomeryshire, 1740–1741 and 1742–1747
- Robert Williams (1735–1814) (1735–1814), MP for Dorchester, 1807–1812
- Sir Robert Williams, 9th Baronet (1764–1830) of Penryn, MP for Carnarvonshire, 1790–1826, and for Beaumaris, 1826–1831
- Robert Williams (1767–1847) (1767–1847), MP for Dorchester, 1812–1835
- Robert Williams (1811–1890) (1811–1890), MP for Dorchester, 1835–1841
- Sir Robert Williams, 1st Baronet, of Bridehead (1848–1943), Conservative MP for West Dorset, 1895–1922
US
- Robert Williams (Mississippi politician) (1773–1836), governor of the Mississippi Territory
- Robert P. Williams (1841–1910), state treasurer of Missouri, 1901–1905
- Robert L. Williams (1868–1948), American politician, governor of Oklahoma
- Robert R. Williams (politician) (died 1966), mayor of Miami, 1937–1939
- Bob Williams (West Virginia politician) (born 1951), American politician and state senator in West Virginia
- Bob Williams (Washington politician) (1942–2022), member of the Washington House of Representatives
- Robert Q. Williams (born 1964), member of the South Carolina House of Representatives
- Robert Williams (Virginia politician) (c. 1740–c. 1793), American lawyer, patriot, planter and politician
Elsewhere
- Robert Wynn Williams (1864–1929), member of the Queensland Legislative Assembly, Australia
- Robert Williams (Victorian politician) (1870–1938), Australian politician
- Robert Arthur Williams (1933–2024), consultant and political figure in British Columbia, Canada
- Robbie Williams (politician) (c. 1960–2007), Australian politician
Religion
- Robert Williams (antiquary) (1810–1881), Welsh Anglican clergyman and Celtic scholar
- Robert Williams (archdeacon of Carmarthen) (1863–1938), Welsh historian and Anglican priest
- Robert Dewi Williams (1870–1955), Welsh schoolteacher, Presbyterian minister, and author
- Robert Williams (archdeacon of Gower) (born 1951), Welsh Anglican priest
- Robert Williams (American priest) (1955–1992), first openly gay male priest in the American Episcopal Church
Science
- Robert Statham Williams (1859–1945), American bryologist
- Sir Robert Williams, 1st Baronet, of Park (1860–1938), Scottish mining engineer, explorer, and railway developer
- Robert R. Williams (1886–1965), American chemist who first synthesized vitamin B1
- Robert Hardin Williams (1909–1979), American endocrinologist and diabetologist
- Robert Williams (pathologist) (1916–2003), Welsh pathologist
- Robert Williams (physician, died 1845) (1787?– 1845), English physician
- Robin Williams (mathematician) (1919–2013), New Zealand mathematician, university administrator and civil servant
- Robert Williams (English chemist) (1926–2015), professor of Oxford University
- Robert Williams (psychologist) (1930–2020), president of the Association of Black Psychologists
- Robert Williams (astronomer) (born 1940), director of STScI 1993–98; president of IAU, 2009–2012
- Robin Williams (physicist) (Robert Hughes Williams, born 1941), Welsh physicist and academic
- Robert H. Williams (physicist), environmental scientist at the Princeton Environmental Institute
- Bobby G. Williams (born 1951), Jet Propulsion Laboratory engineer; namesake of asteroid 5642 Bobbywilliams
Sports
American football
- Bob Williams (coach) (1877–1957), American college football coach
- Bob Williams (quarterback) (1930–2016), football player for Notre Dame
- Bobby Williams (defensive back) (1942–2012), American pro football player, St. Louis Cardinals and the Detroit Lions
- Bob Williams (American football coach), at Livingston State Teachers College, now University of West Alabama, 1952
- Robert Williams (quarterback) (c. 1938–1990), football player for Notre Dame, 1956–1958
- Bobby Williams (born 1958), tight end, coach
- Robert Williams (defensive back, born 1962), former American football cornerback
- Bobbie Williams (born 1976), American football guard
- Robert Williams (defensive back, born 1977), former American football cornerback
Baseball
- Bob Williams (baseball) (1884–1962), baseball player for the New York Highlanders/Yankees
- Bobby Williams (baseball) (1895–1978), American baseball shortstop and manager in the Negro leagues
- Robert Williams (baseball) (1917–2000), American baseball pitcher and infielder in the Negro leagues
Basketball
- Bob Williams (basketball, born 1931), American professional basketball player, played collegiately at Florida A&M
- Bob Williams (basketball, born 1953), American basketball coach, most recently with UC Santa Barbara
- Rob Williams (basketball) (1961–2014), American professional basketball player, played collegiately for Houston
- Robert Williams III (born 1997), American professional basketball player, played collegiately for Texas A&M
- Robert Williams (Grambling State basketball), American college basketball player for Grambling State
Cricket
- Robert Williams (South African cricketer) (1912–1984), South African cricketer
- Robert Williams (English cricketer) (born 1970), English former cricketer
- Robbie Williams (cricketer) (born 1987), English cricketer for Middlesex
Football and rugby
- Bobbie Williams (rugby union) (1865–1967), Welsh international rugby union player
- Bobby Williams (Scottish footballer) (died 1916), Scottish footballer
- Bob Williams (rugby) (1886–1969), Australian rugby league footballer
- Bob Williams (Australian rules footballer) (1913–2004), Australian rules footballer with Hawthorn
- Bobby Williams (footballer, born 1932), English footballer for Chester City
- Bobby Williams (footballer, born 1940), English footballer
- Robbie Williams (footballer, born 1979), English footballer for Warrington Town
- Robbie Williams (footballer, born 1984), English footballer for Limerick
- Robert Williams (footballer, born 1927), English footballer for Wrexham and Shrewsbury Town
- Robert Williams (footballer, born 1932), English footballer for Mansfield Town
Other sports
- Robert Williams (archer) (1841–1914), American archer
- Bob Williams (rower) (1931–2017), Canadian rower
- Robbie Williams (snooker player) (born 1986), English snooker player
- Rob Williams (rower, born 1960), British rower
- Rob Williams (rower, born 1985), British Olympian
Other
- Robert A. Williams Jr., American lawyer and professor
- Robert S. C. Williams, community service worker in Ontario, Canada
- Robert C. Williams, the namesake of the Robert C. Williams Paper Museum
- Robert Edmund Williams (1874-1960), Canadian-American architect
- Robert F. Williams (1925–1996), American civil rights activist
- Robert Wayne Williams (1952–1983), American murderer executed in Louisiana
- Robert Williams (architect) (1848–1918), Welsh architect and social campaigner
- Robert Williams (geometer) (born 1942), American designer, mathematician, and architect
- Robert Williams (robot fatality) (1953–1979), the first person to be killed by a robot
- Robert Williams (trade union leader) (1881–1936), British trade union organizer
See also
- Bert Williams (disambiguation)
- Robin Williams (disambiguation)
- William Roberts (disambiguation)
- 5642 Bobbywilliams, Mars-crossing asteroid
- Vila Robert Williams, former name of Caála, Angola
- Williams (surname)
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: