1951 Primera División de Chile
| Dates | 28 April 1951 – 13 December 1951 |
|---|---|
| Champions | Unión Española (2nd title) |
| Matches played | 163 |
| Goals scored | 634 (3.89 per match) |
| Top goalscorer | Carlos Tello Rubén Aguilera (21 goals) |
| Biggest away win | Magallanes 0–6 Santiago Morning (21 July) Green Cross 0–6 Magallanes (15 September) |
| Highest attendance | 59,843 Universidad de Chile 2–2 Universidad Católica (31 October) |
| Total attendance | 1,760,903 |
| Average attendance | 10,803 |
← 1950 1952 → | |
The 1951 Campeonato Nacional de Fútbol Profesional was Chilean first tier’s 19th season. Unión Española was the tournament’s champion, winning its second title.