1943 Primera División de Chile
| Dates | 21 May 1943 – 20 November 1943 |
|---|---|
| Champions | Unión Española (1st title) |
| Matches played | 90 |
| Goals scored | 387 (4.3 per match) |
| Top goalscorer | Luis Machuca Víctor Mancilla (17 goals) |
| Biggest away win | Santiago National 2–8 Colo-Colo (20 June) |
| Total attendance | 422,033 |
| Average attendance | 4,689 |
← 1942 1944 → | |
The 1943 Campeonato Nacional de Fútbol Profesional was Chilean first tier’s 11th season. Unión Española was the tournament’s champion, winning its first title.