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Robert Bell (speaker) (died 1577), British statesman •
Robert Bell (died 1639) (1589–1639), English landowner and politician •
Robert Bell (Lanark County politician) (1808–1894), Canadian legislator •
Robert Bell (Ottawa politician) (1821–1873), Canadian legislator •
Robert Bell (Toronto politician) (1827–1883), Orangeman and legislator in Ontario, Canada •
Robert Duncan Bell (1878–1953), acting governor of Bombay during the British Raj, 1937 •
Robert Bell (Minnesota politician) (1926–2014), Minnesota politician •
Robert Bell (Australian politician) (1950–2001), Australian politician •
Chris Bell (politician) (Robert Christopher Bell, born 1959), U.S. representative from Texas •
Rob Bell (Virginia politician) (born 1967), member of the Virginia House of Delegates ==Science==