Robert or Bob Chambers may refer to:
Arts and entertainment
Robert W. Chambers (1865–1933), American artist and writer, author of The King in Yellow
Bob Chambers (cartoonist) (1905–1996), Canadian cartoonist and illustrator
Robert Chambers (sculptor) (born 1958), American sculptor
Law and politics
Robert Chambers (English judge) (1737–1803), English judge, professor of jurisprudence, Chief Justice of Bengal, collector of Sanskrit manuscripts
Robert Chambers (Canadian politician) (1813–1875), Canadian merchant and politician
Robert Chambers (Quebec politician) (1834–1886), Canadian politician, Quebec City mayor
Robert Charles Chambers (born 1952), United States federal judge
Robert Chambers (New Zealand judge) (1953–2013), New Zealand judge and Supreme Court justice
Sports
Robert Chambers (oarsman) (1831–1868), English oarsman and world sculling champion
Bob Chambers (footballer) (1899–1972), English footballer
Bob Chambers (athlete) (1926–2010), American track and field athlete
Robert Chambers (cricketer) (born 1943), English cricketer
Others
Robert Chambers (priest) (1571–1628), English Catholic priest, writer and translator
Robert Chambers (publisher, born 1802) (1802–1871), Scottish publisher, writer, and scientist known for Vestiges of Creation and, with his brother William Chambers, Chambers's Encyclopaedia
Robert Chambers Jr. (1832–1888), Scottish publisher and amateur golfer, son of the above
R. C. Chambers (Robert Craig Chambers, 1832–1901), American businessman, minerals miner, banker, politician, sheriff, and silver mine supervisor
Robert Chambers (biologist) (1881–1957), American biologist
Robert G. Chambers (1924–2016), British physicist known for the first observation of the Aharonov-Bohm effect
Robert Chambers (development scholar) (born 1932), British academic and development practitioner
Robert Chambers (criminal) (born 1966), American criminal also known as the "Preppie Killer"