1975 Primera División de Chile
| Dates | 12 April 1975 – 11 January 1976 |
|---|---|
| Champions | Unión Española (4th title) |
| Relegated | O'Higgins Magallanes |
| 1976 Copa Libertadores | Unión Española Palestino |
| Matches played | 307 |
| Goals scored | 932 (3.04 per match) |
| Top goalscorer | Víctor Pizarro (27 goals) |
| Biggest home win | Unión Española 7–1 Santiago Morning (10 January 1976) |
| Highest attendance | 37,434 Colo-Colo 2–2 Unión Española (4 January 1976) |
| Total attendance | 1,295,932 |
| Average attendance | 4,249 |
← 1974 1976 → | |
The 1975 Campeonato Nacional de Futbol Profesional was Chilean top tier's 43rd season. Unión Española was the tournament's champion, winning its fourth title.