Robert Williamson

Robert Williamson may refer to:

• Robert Williamson III (born 1970), American poker player
• Robert McAlpin Williamson (1804–1859), Texas politician
• Robert S. Williamson (1825–1882), American soldier
• Robert B. Williamson (1892–1976), Maine judge
• Robert Wood Williamson (1856–1932), British solicitor and anthropologist
• Roy Williamson (bishop) (Robert Kerr Williamson, 1932–2019), British bishop
• Robert Williamson (geneticist) (born 1938), British-Australian molecular biologist