| William Turpin Thayer Arteaga | |
| Birth Date: | 1918 10, df=y |
| Birth Place: | Santiago, Chile |
| Death Date: | [1] [2] |
| Office: | Member of the Senate of Chile |
| Term Start: | 11 March 1990 |
| Term End: | 11 March 1998 |
| Predecessor: | Creation of the position |
| Successor: | Augusto Parra Muñoz |
| Office1: | Minister of Justice of Chile |
| President1: | Eduardo Frei Montalva |
| Term Start1: | 15 February 1968 |
| Term End1: | 14 August 1968 |
| Predecessor1: | Pedro Jesús Rodríguez |
| Successor1: | Jaime Castillo Velasco |
| Office2: | Minister of Labor and Social Provision |
| President2: | Eduardo Frei Montalva |
| Term Start2: | 3 November 1964 |
| Term End2: | 15 February 1968 |
| Predecessor2: | Miguel Schweitzer |
| Successor2: | Eduardo León Villarreal |
| Office3: | Head of the Austral University of Chile |
| Term Start3: | 1968 |
| Term End3: | 1973 |
| Predecessor3: | Félix Martínez Bonati |
| Successor3: | Gustavo Dupuis Pinillos |
| Party: | National Falange (1942−1957) Christian Democratic Party (1957−1975) Social Christian Movement (1983−1987) National Labour Front (1985−1987) National Renewal (1987−1989) |
| Spouse: | Alicia Morel |
| Children: | Seven |
| Education: | Sagrados Corazones School |
| Alma Mater: | University of Chile |
| Occupation: | Politician |
| Profession: | Lawyer |
William Turpin Thayer Arteaga (born 12 October 1918−28 May 2018) was a Chilean politician who served as ministry of State during the period of Eduardo Frei Montalva to later be a collaborator of Augusto Pinochet's dictatorship.[3]
He is emeritus professor of the Pontifical Catholic University of Chile.[4]