| Dionísio Tomé Dias | |
| Office1: | President of the National Assembly São Tomé and Príncipe |
| Term Start1: | 18 April 2002 |
| Term End1: | 18 May 2006 |
| Predecessor1: | Francisco Fortunato Pires |
| Successor1: | Francisco da Silva |
| President1: | Fradique de Menezes |
| Birth Date: | 11 August 1943 |
| Birth Place: | Portuguese São Tomé and Príncipe |
| Occupation: | Politician |
Dionísio Tomé Dias (born 11 August 1943) is a São Toméan politician. He was President of the country's National Assembly from April 18 2002 to May 18, 2006.[1] He succeeded by Francisco Fortunato Pires and was later succeeded by Francisco da Silva as foreign minister.