| Honorific-Prefix: | The Most Excellent |
| Yvonne Chahín Sasso | |
| Office: | National Senator for the Province of El Seibo |
| Term Start: | 9 September 2010 |
| Term End: | 16 August 2016 |
| Predecessor: | Roberto Rodríguez (Dominican Revolutionary Party) |
| Successor: | Santiago Zorrilla (Modern Revolutionary Party) |
| Party: | Dominican Liberation’s Party (PLD) |
| Parents: | José Chahín, Venecia Sasso |
| Relations: | Jacqueline Chahín Sasso (sister; former Deputy) Francesca Trigo Chahín (daughter) Ricardo Jacobo Cabrera (son-in-law; minister) |
| Birth Date: | 26 December 1945 |
| Birth Place: |  El Seibo, Dominican Republic |
| Nationality: | Dominican |
| Profession: | Business manager, dressmaking industry[1] |
| Blank1: | Ethnicity |
| Data1: | White Dominican |
| Blank2: | Net worth |
| Data2: | RD$ 10.31 million (2010)[2] (US$ 276,000) |
Yvonne Chahín Sasso (born 26 December 1945) is a businesswoman from the Dominican Republic. She was elected by the Congress of the Dominican Republic as Senator for the Province of El Seibo, after the death on July 2010 of Senator-elect Manuel Ramón Antonio 'Lincoln' Jacobo Reyes (Mr. Jacobo was the father of Mrs. Chahín’s son-in-law).[3] [4]