Robert, Bobby or Bob Campbell may refer to:
Politicians
- Robert Campbell (1769–1846), Australian merchant/politician from New South Wales
- Robert Campbell (Australian politician) (1804–1859), New South Wales politician, son of the above
- Robert Campbell (Alberta politician) (1871–1965), member of the Legislative Assembly of Alberta
- Robert Campbell (California politician) (born 1937), member of the California state assembly
- Robert Campbell (Canadian politician) (1818–1887), Canadian lumber merchant and politician
- Robert Campbell (New York politician) (1808–1870), New York politician
- Robert Campbell (New Zealand politician) (1843–1889), New Zealand politician
- Robert Campbell (Nova Scotia politician) (1718–1775), merchant and political figure in Nova Scotia
- Robert Campbell (Prince Edward Island politician) (1922–1992), farmer, used automobile salesperson and political figure on Prince Edward Island
- Robert Campbell (Scottish politician), MP for Argyllshire, 1766–1772
- Robert Campbell (UK politician), MPA for North Down, 1973–1974
- Robert Campbell (Liberal politician), MP for Helston 1866
- Robert Campbell (Wisconsin politician) (fl. 1841–1880), member of the Wisconsin State Assembly
- Robert Adam Campbell (fl. 1894–1899), lumber merchant and politician from Ontario, Canada, son of Robert Campbell (Canadian politician)
- Robert B. Campbell (fl. 1809–1862), U.S. Representative from South Carolina
- Robert James Roy Campbell (1813–1862), British Member of Parliament for Weymouth and Melcombe Regis
Sportspeople
- Robert Campbell (football manager) (fl. 1896–1905), Scottish-born manager of Bristol City and first Bradford City side
- Robert Campbell (footballer, born 1882) (1882–1931), footballer with Partick Thistle, Rangers and Bradford City
- Robert Campbell (footballer, born 1883) (1883–1942), ex-Celtic and Rangers footballer
- Bob Campbell (soccer) (fl. 1926–1930), Scottish-American soccer right half
- Bobby Campbell (Scottish footballer) (1922–2009), Scottish former footballer with Chelsea and Reading
- Bobby Campbell (English footballer) (1937–2015), English former footballer with Liverpool and manager of Portsmouth, Fulham and Chelsea
- Bobby Campbell (Northern Irish footballer) (1956–2016), Northern Irish former footballer, most notably with Bradford City, capped twice for his country
- Robert Campbell (footballer, born 1986), Scottish footballer, currently with East Fife F.C.
- Bob Campbell (Australian footballer) (1868–1946), Australian rules footballer for St Kilda Football Club
- Robert Campbell (Australian rules footballer) (born 1982), Australian rules footballer playing for the Melbourne Football Club
- Robert Campbell (curler) (born 1966), Canadian curler
- Robert Campbell (rugby league), Australian rugby league footballer, also played internationally for Russia
- Earl Campbell (ice hockey) (Robert Earl Campbell, 1900–1953), Canadian ice hockey player
- Bob Campbell (American football) (born 1947), American football wide receiver
Others
- Bob 'Stig' Campbell (born 1963), British sculptor
- Robert Campbell of Glenlyon (1630–1696), Scottish officer implicated in the Massacre of Glencoe
- Robert Campbell (frontiersman) (1804–1879), 19th century Irish-American frontiersman, and businessman in St. Louis, Missouri
- Robert Campbell (fur trader) (1808–1894), fur trader of the Hudson's Bay Company and explorer of the Yukon
- Robert Campbell (art gallery director) (1902–1972), Australian painter and director of State art Galleries in the mid twentieth century
- Robert Campbell (journalist) (born 1937), architecture journalist with the Boston Globe
- Robert E. Campbell (1884–1977), bishop of the Episcopal Diocese of Liberia
- Rob Campbell, American actor
- Robert Wright Campbell (1927–2000), American screenwriter, author and occasional actor
- Robert Orr Campbell (1815–1892), Madras businessman who served as a non-official member of the Madras Legislative Council
- Bob Campbell (photographer) (born 1930), wildlife photographer and filmmaker
- Bobbi Campbell (Robert Boyle Campbell Jr., 1952–1984), American AIDS activist