Miss Colombia 1999
Miss Colombia 1999, the 64th Miss Colombia pageant, was held in Cartagena de Indias, Colombia, on November 12, 1999, after three weeks of events. The winner of the pageant was Catalina Acosta, Señorita Cundinamarca.
The pageant was broadcast live on RCN TV from the Centro de Convenciones Julio Cesar Turbay in Cartagena de Indias, Colombia. At the conclusion of the final night of competition, outgoing titleholder Marianella Maal crowned Catalina Acosta of Cundinamarca as the new Miss Colombia.
Carolina Cruz, who went on to become a presenter, won first runner-up.
Contestants
Twenty-one contestants competed for the title.| Department/City | Contestant | Age |
| Antioquia | Alejandra Vélez Londoño | 22 |
| Atlántico | Liliana María Salazar Lara | 22 |
| Barranquilla | Caroll Marcela Nobman Rocha | 19 |
| Bogotá | Catalina Molano Vega | 20 |
| Bolívar | Talia Maia Vejarano Bravo | 20 |
| Boyacá | Katherin Carolina Nieto Abaunza | 21 |
| Caldas | Raquel Cecilia Jaramillo Castrillo | 21 |
| Cartagena | Karen Cecilia Martínez Insignares | 20 |
| Cauca | María Paola Vejarano Restrepo | 23 |
| Chocó | Isneida Ortiz Salazar | 21 |
| Cundinamarca | Catalina Inés Acosta Albarracín | 21 |
| Guainía | Yeris Paola Sepúlveda García | 19 |
| La Guajira | Paola Andrea Illidge Uribe | 18 |
| Magdalena | Carolina Hoyos Soto | 19 |
| Meta | Ana María Rujeles Flórez | 24 |
| Nariño | Rosa Janeth Coral Restrepo | 18 |
| Norte de Santander | Sandra Elizabeth Pérez Pernía | 22 |
| Santander | Claudia Lucía Rey Cote | 22 |
| Sucre | Olga Milena Flórez Sierra | 21 |
| Tolima | Yovana Milena Flórez Flórez | 21 |
| Valle del Cauca | Carolina Cruz Osorio | 20 |