| William Dau | |
| Office: | Mayor of Cartagena |
| Term Start: | 1 January 2019 |
| Term End: | 31 December 2023 |
| Predecessor: | Pedro Pereira |
| Successor: | Dumek Turbay |
| Birth Name: | William Jorge Dau Chamatt |
| Birth Date: | 16 May 1952 |
| Birth Place: | Cartagena, Bolivar, Colombia |
| Nationality: | Colombian |
| Party: | Liberal (until 2015) |
| Alma Mater: | Del Rosario University |
| Occupation: | Politician |
| Profession: | Lawyer and politician |
William Jorge Dau Chamatt (born 16 May 1952) is a Colombian lawyer and politician, since 2019 he has served as Mayor of Cartagena. Later he will move to Bogotá to study law at the Del Rosario University[1] [2]