The 2003 Categoría Primera B season, (officially known as the 2003 Copa Águila for sponsorship reasons) was the 14th season of Colombia's second division football league. Bogotá Chicó won the tournament for the first time and was promoted to the Categoría Primera A. Sergio Herrera, playing for Alianza Petrolera, was the topscorer with 25 goals.^[1][2]

17 teams take part in the season. The previous season's champions Centauros Villavicencio was promoted to Primera A for the 2003 season. Real Cartagena were relegated from Primera A at the end of the 2002 season after finishing in the bottom of the top tier's relegation table. El Cerrito and Escuela Carlos Sarmiento Lora did not take part of the tournament. Chicó is renamed as Bogotá Chicó and Cóndor Real Bogotá is renamed back as El Cóndor. Expreso Rojo, Johann, La Equidad, Patriotas and Real Sincelejo were the debuting teams for this season.

• Dimayor official website