Robert Williams
Robert, Rob, Robbie, Bob or Bobby Williams may refer to:
Architecture
- Robert Edmund Williams, Canadian-American architect
- Robert Williams (architect), Welsh architect and social campaigner
Arts
Film
- R. J. Williams, American former child actor and later internet entrepreneur
- Rob Williams (filmmaker), American film director
- Robert B. Williams (actor), American film actor
- Robert Guillaume, American film actor whose birth name is Robert Williams
- Robert Williams (actor, born 1894), American stage and film actor
Music
- Bob Williams (singer), American singer and one of the Williams Brothers
- Chocolate Williams, American jazz bassist and blues vocalist
- Meek Mill, American rapper
- Rob Williams, partner of business Dolphin Music
- Robbie Williams, British pop singer and former member of Take That
- Robert Pete Williams, American blues guitarist
- Robert S. Williams, American bassoon player of the Detroit Symphony Orchestra
- Robert Williams (drummer), American drummer with Captain Beefheart, Hugh Cornwell, and solo
- Robert Williams (singer), Greek singer and composer
Writing
- Rob Williams (comics), British comic writer
- Robert Moore Williams, American science fiction novelist
- Robert Williams (artist), American cartoonist and painter
- Robert Williams (poet), Welsh poet
- Robert Williams (Robert ap Gwilym Ddu), Welsh-language poet
- Robert Williams (Trebor Mai), Welsh-language poet
- Robert Folkestone Williams, English novelist, poet, journalist and professor
- Tad Williams, American fantasy and science fiction writer
Killings
- Robert E. Williams (murderer), American murderer executed in Nebraska
- Robert W. Williams (murderer), American murderer executed in Louisiana
- Robert Williams (robot fatality), the first person to be killed by a robot
Military
- Robert B. Williams (general), World War II major general in the United States Army Air Forces
- Robert H. Williams (soldier), American Marine brigadier general
- Robert Williams (adjutant general), American brigadier general and Adjutant General of the US Army
- Robert Williams (Medal of Honor), American sailor and Medal of Honor recipient
- Robert Williams (Royal Navy officer) English rear-admiral in the Royal Navy
Politics
- Robert Arthur Williams, consultant and political figure in British Columbia, Canada
Australia
- Robbie Williams (politician), Australian politician
- Robert Williams (Victorian politician), Australian politician
- Robert Wynn Williams, member of the Queensland Legislative Assembly, Australia
UK
- Robert Williams (1735–1814), MP for Dorchester, 1807–1812
- Robert Williams (1767–1847), MP for Dorchester, 1812–1835
- Robert Williams (1811–1890), MP for Dorchester, 1835–1841
- Robert Williams (died 1763), MP for Montgomeryshire, 1740–1741 and 1742–1747
- Sir Robert Williams, 1st Baronet, of Bridehead, Conservative MP for West Dorset, 1895–1922
- Sir Robert Williams, 2nd Baronet, MP for Carnarvonshire, 1656–1658, and for Carnarvon Boroughs, 1659
- Sir Robert Williams, 9th Baronet of Penryn, MP for Carnarvonshire, 1790–1826, and for Beaumaris, 1826–1831
US
- Bob Williams (Washington politician), member of the Washington House of Representatives
- Bob Williams (West Virginia politician), American politician and state senator
- Robert Williams (Florida politician), state legislator and headed Florida Board of Archives and History
- Robert F. Williams, American political and civil rights activist
- Robert L. Williams, American politician, governor of Oklahoma
- Robert P. Williams, state treasurer of Missouri, 1901–1905
- Robert Q. Williams, member of the South Carolina House of Representatives
- Robert R. Williams (philosopher), American philosopher
- Robert R. Williams (politician), mayor of Miami, 1937–1939
- Robert Williams (Mississippi politician), governor of the Mississippi Territory
- Robert Williams (Virginia politician), American lawyer, patriot, planter and politician
Religion
- Robert Dewi Williams, Welsh schoolteacher, Presbyterian minister, and author
- Robert Williams (American priest), first openly gay male priest in the American Episcopal Church
- Robert Williams (antiquary), Welsh Anglican clergyman and Celtic scholar
- Robert Williams (archdeacon of Carmarthen), Welsh historian and Anglican priest
- Robert Williams (archdeacon of Gower), Welsh Anglican priest
Science
- Bobby G. Williams, Jet Propulsion Laboratory engineer; namesake of asteroid 5642 Bobbywilliams
- Robert H. Williams (physicist), environmental scientist at the Princeton Environmental Institute
- Robert Hardin Williams, American endocrinologist and diabetologist
- Robert R. Williams, American chemist who first synthesized vitamin B1
- Robert Statham Williams, American bryologist
- Robert Williams (astronomer), director of STScI 1993–98; president of IAU, 2009–2012
- Robert Williams (English chemist), professor of Oxford University
- Robert Williams (geometer), American designer, mathematician, and architect
- Robert Williams (pathologist), Welsh pathologist
- Robert Williams (physician, died 1845), English physician
- Robert Williams (psychologist), president of the Association of Black Psychologists
- Robin Williams (mathematician), New Zealand mathematician, university administrator and civil servant
- Robin Williams (physicist), Welsh physicist and academic
- Sir Robert Williams, 1st Baronet, of Park, Scottish mining engineer, explorer, and railway developer
- Robert W. Williams (professor), American professor of genetics, genomics and informatics
Sports
American football
- Bob Williams (American football coach), at Livingston State Teachers College, now University of West Alabama, 1952
- Bob Williams (coach), American college football coach
- Bob Williams (quarterback), football player for Notre Dame
- Bobbie Williams, American football guard
- Bobby Williams, tight end, coach
- Bobby Williams (defensive back), American pro football player, St. Louis Cardinals and the Detroit Lions
- Robert Williams (defensive back, born 1962), former American football cornerback
- Robert Williams (defensive back, born 1977), former American football cornerback
- Robert Williams (quarterback), football player for Notre Dame, 1956–1958
Baseball
- Bob Williams (baseball), baseball player for the New York Highlanders/Yankees
- Bobby Williams (baseball), American baseball shortstop and manager in the Negro leagues
- Robert Williams (baseball), American baseball pitcher and infielder in the Negro leagues
Basketball
- Bob Williams (basketball, born 1931), American 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), American basketball player, played collegiately for Houston
- Robert Williams (Grambling State basketball), American college basketball player for Grambling State
- Robert Williams III, American basketball player for the Portland Trail Blazers, played collegiately for Texas A&M
Cricket
- Robbie Williams (cricketer), English cricketer for Middlesex
- Robert Williams (English cricketer), English former cricketer
- Robert Williams (South African cricketer), South African cricketer
Football and rugby
- Bobbie Williams (rugby union), Welsh international rugby union player
- Bobby Williams (Scottish footballer), Scottish footballer
- Bob Williams (rugby), Australian rugby league footballer
- Bob Williams (Australian rules footballer), 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
- Bob Williams (pole vaulter), American pole vaulter, 1965 All-American for the Maryland Terrapins track and field team
- Bob Williams (rower), Canadian rower
- Rob Williams (rower, born 1960), British rower
- Rob Williams (rower, born 1985), British Olympian
- Robbie Williams (snooker player), English snooker player
- Robert Williams (archer), American archer
Other
- Robert A. Williams Jr., American lawyer and professor
- Robert C. Williams, the namesake of the Robert C. Williams Museum of Papermaking
- Robert S. C. Williams, community service worker in Ontario, Canada
- Robert Williams (trade union leader), British trade union organizer
- Vila Robert Williams, former name of Caála, Angola