| Winner: | Clara Edilia Chapuseaux Soñé |
| Date: | January 31, 1964 |
| Venue: | La Concha Acústica del Hotel Embajador, Santo Domingo, Dominican Republic |
| Next Pageant: | Miss Universe 1964 |
| Debuts: | Isla Catalina |
| Broadcaster: | Color Vision |
| Entrants: | 12 |
Señorita República Dominicana 1964 was held on January 31, 1964. 12 candidates are competed for the national crown. The winner represented the Dominican Republic at the Miss Universe 1964 . The first runner up will enter Miss International 1964. Only the 16 province entered. On the top 6 they showed their swimsuit and answered questions so they could go to the top 3. In the top 3 they would answer more questions. There are only 12 delegates due to the reason low economy in each province and the country.