| Pedro Alegría | |
| Office: | Senator for the province of San José de Ocoa |
| Term Start: | 16 August 2016 |
| Term End: | 16 August 2020 |
| Predecessor: | Carlos Castillo (Dominican Liberation’s Party) |
| Successor: | José Antonio Castillo Casado (Modern Revolutionary Party) |
| Term Start2: | 16 August 2002 |
| Term End2: | 16 August 2010 |
| Predecessor2: | Office established |
| Successor2: | Carlos Castillo (PLD) |
| Birth Date: | 24 September 1951 |
| Birth Place: | San José de Ocoa, Dominican Republic |
| Party: | Institutional Social Democratic Bloc (201?–present) |
| Otherparty: | Dominican Revolutionary Party (1976–201?) |
| Mother: | Mercedes Nidia Soto Martínez[1] |
| Father: | Rafael Antonio Alegría Domínguez[2] |
| Spouse: | Eva Gómez Espinal |
| Children: | 5 children, including actress Dalisa Alegría |
| Profession: | Businessman |
| Blank1: | Ethnicity |
| Data1: | White Dominican |
| Blank2: | Net worth |
| Data2: | RD$ 511.46 million (2016)[3] |
Pedro José Alegría Soto (born 24 September 1951) is a businessman and politician from the Dominican Republic. He was Senator for the province of San José de Ocoa and was elected in 2002, and re-elected in 2006; he has also been President of Lotería Electrónica Internacional Dominicana, S.A. (LEIDSA) —the largest private Dominican lottery— since its foundation in 1997.[4]
Alegría has a Bachelor of Business Administration.[4]
Pedro Alegría became the first senator elected from the Institutional Social Democratic Bloc after the 2016 general election.[5]