2018 Categoría Primera A season

Liga Águila
Season	2018
Dates	2 February – 16 December 2018
Champions	Apertura: Deportes Tolima (2nd title); Finalización: Junior (8th title)
Relegated	Boyacá Chicó; Leones
Copa Libertadores	Deportes Tolima; Junior; Independiente Medellín; Atlético Nacional (cup winners)
Copa Sudamericana	Once Caldas; La Equidad; Rionegro Águilas; Deportivo Cali
Matches played	408
Goals scored	896 (2.2 per match)
Top goalscorer	Apertura: Germán Cano (12 goals); Finalización: Germán Cano (20 goals)
Biggest home win	Deportivo Cali 4–0 Boyacá Chicó; (14 February); Santa Fe 4–0 Jaguares; (25 February); Deportivo Cali 4–0 Rionegro Águilas; (3 March); La Equidad 4–0 Boyacá Chicó; (6 March); Alianza Petrolera 4–0 Jaguares; (18 March); Atlético Huila 4–0 América de Cali; (31 March); Santa Fe 4–0 Alianza Petrolera; (11 August); Patriotas 4–0 Jaguares; (27 August); Junior 4–0 Patriotas; (17 October); Deportivo Cali 4–0 Jaguares; (27 October); La Equidad 4–0 Patriotas; (28 October)
Biggest away win	Envigado 0–3 Santa Fe; (14 March); Junior 0–3 Envigado; (21 March); Envigado 0–3 Atlético Huila; (22 April); Patriotas 0–3 Ind. Medellín; (28 September); Rionegro Águilas 0–3 Santa Fe; (6 October); Alianza Petrolera 0–3 Junior; (5 November); Millonarios 0–3 Santa Fe; (11 November)
Highest scoring	Junior 4–3 Deportes Tolima; (9 October)
	← 2017 2019 →

The 2018 Categoría Primera A season (officially known as the 2018 Liga Águila season for sponsorship reasons) was the 71st season of Colombia's top-flight football league. The season began on 2 February and concluded on 16 December. Millonarios were the defending champions.

In the Torneo Apertura, Deportes Tolima won their second league title on 9 June, after tying with Atlético Nacional 2–2 on aggregate score in the finals and then beating them 4–2 on penalties and in the Torneo Finalización, Junior won their eighth title on 16 December, following a 5–4 win against Independiente Medellín on aggregate score in the finals.