| Winner: | Ana María Canaán Camilo |
| Represented: | La Vega |
| Date: | December 19, 1988 |
| Venue: | Palacios de los Deportes, Santo Domingo, Dominican Republic |
| Next Pageant: | Miss Universe 1989 |
| Broadcaster: | Color Vision |
| Entrants: | 28 |
| Returns: | Santo Domingo de Guzmán |
Miss República Dominicana 1989 was held on December 19, 1988. There were 28 candidates, representing provinces and municipalities, who entered. The winner would represent the Dominican Republic at Miss Universe 1989. The first runner up would enter Miss World 1989. The second runner up would enter in Miss International 1989. The rest of finalist entered different pageants. This is the first edition were provinces are represented and no more than one more representation.
| Final Results | Contestant | |
|---|---|---|
| Miss República Dominicana 1989 |
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| 1st Runner-up |
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| 2nd Runner-up |
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| 3rd Runner-up |
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| 4th Runner-up |
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| 5th Runner-up |
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| Semi-finalists |
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| Represented | Contestant | Age | Height | Hometown | |
|---|---|---|---|---|---|
| Elbanira Morales de la Rosa | 20 | 173abbr=onNaNabbr=on | Azua de Compostela | ||
| Luisa María Báez Bermudez | 18 | 170abbr=onNaNabbr=on | Neiba | ||
| Mariana Vega de Bello | 23 | 176abbr=onNaNabbr=on | Santo Domingo | ||
| Milagros Tejeda Sosa | 21 | 179abbr=onNaNabbr=on | Santo Domingo | ||
| María Altagracia Silverio Guerra | 22 | 180abbr=onNaNabbr=on | Santo Domingo | ||
| Jazmin de León Veras | 17 | 169abbr=onNaNabbr=on | San Francisco de Macorís | ||
| Gloria María Navarrete Mota | 23 | 173abbr=onNaNabbr=on | Santo Domingo | ||
| Soelia Vaquero Villa | 20 | 183abbr=onNaNabbr=on | Santo Domingo | ||
| Sofia Gallardo Hernández | 25 | 183abbr=onNaNabbr=on | Moca | ||
| Yorlenis Elmarrado Valle | 18 | 167abbr=onNaNabbr=on | Santo Domingo | ||
| Xiomara Carina de Lara Fernández | 22 | 177abbr=onNaNabbr=on | Santo Domingo | ||
| Cristina Ureña Fiallo | 24 | 182abbr=onNaNabbr=on | La Romana | ||
| Ana María Canaán Camilo | 19 | 178abbr=onNaNabbr=on | Concepción de la Vega | ||
| Noria Edith Bautista Hernández | 21 | 178abbr=onNaNabbr=on | Nagua | ||
| Yvette Peña Martínez | 18 | 181abbr=onNaNabbr=on | Santo Domingo | ||
| Emma Anes Reynosa Varros | 18 | 171abbr=onNaNabbr=on | Santo Domingo | ||
| Aneida Yoselín Abreu Abreu | 21 | 180abbr=onNaNabbr=on | San José de Ocoa | ||
| Irma Guillermina Mauríz Pimentel | 17 | 179abbr=onNaNabbr=on | Santiago de los Caballeros | ||
| Ana Constalación Vega Burgos | 18 | 167abbr=onNaNabbr=on | Santo Domingo | ||
| Simoneta Hidalgo Oviedo | 23 | 174abbr=onNaNabbr=on | Santiago de los Caballeros | ||
| Lorena Tejada Aybar | 22 | 180abbr=onNaNabbr=on | Cotuí | ||
| Carolina Mateo Espinoza | 18 | 183abbr=onNaNabbr=on | San Cristóbal | ||
| Ionna Marina Vargas Díaz | 21 | 175abbr=onNaNabbr=on | Santo Domingo | ||
| Karina Bonelly Pou | 17 | 172abbr=onNaNabbr=on | Santo Domingo | ||
| Carolina Josefina Soto Medrano | 17 | 177abbr=onNaNabbr=on | Santiago de los Caballeros | ||
| Laura Annita Quirós Zamora | 24 | 173abbr=onNaNabbr=on | Santo Domingo | ||
| Lauren Amelia Gibson Torres | 24 | 168abbr=onNaNabbr=on | Santo Domingo | ||
| Carina Yobelkis Ramos Ramos | 22 | 179abbr=onNaNabbr=on | Santa Cruz de Mao |