- W. T. TutteCitizenship: United KingdomBorn: May 14, 1917
- Walter IsardCitizenship: United StatesBorn: April 19, 1919
- Wang YuanluCitizenship: Qing dynastyBorn: 1849
- Warren HancockCitizenship: United StatesBorn: October 12, 1927
- Wilhelm DieckvoßCitizenship: GermanyBorn: October 5, 1908
- Willem BarentsCitizenship: Holy Roman EmpireBorn: 1550
- William Edward Vincent YoungCitizenship: United KingdomBorn: September 26, 1890
- William LassellCitizenship: United KingdomBorn: June 18, 1799
- William Nelson ReinhardtBorn: May 12, 1939Occupation: university teacher
- William NicolCitizenship: United Kingdom of Great Britain and IrelandBorn: April 18, 1770
- William Rowan HamiltonCitizenship: United Kingdom of Great Britain and IrelandBorn: August 4, 1805
- William Thomson, 1st Baron KelvinCitizenship: United Kingdom of Great Britain and IrelandBorn: June 26, 1825