Robert Webb (born 1972) is an English comedian, actor and writer.
Robert Webb may also refer to:
- Robert Webb (MP) (c. 1719–1765), English politician and merchant
- Robert Webb (cricketer, born 1806) (1806–1880), English cricketer
- Robert Webb (Kent cricketer) (1840–?), English cricketer
- Bob Webb (cricketer) (1917–1989), New Zealand cricketer
- Robert D. Webb (1903–1990), American film maker
- Robert I. Webb, professor at the University of Virginia
- Robert G. Webb (born 1927), zoologist at the University of Texas, El Paso
- Robert Rumsey Webb (1850–1936), mathematics coach in Cambridge, England
- Robert Wallace Webb (1909–1984), American geologist
- Bobby Webb (born 1933), English footballer
- Robert Webb, creator of polyhedra software Stella
- Robert K. Webb (1922–2012), American historian