Liga de Primera
| Founded | 31 May 1933 |
|---|---|
| Country | Chile |
| Confederation | CONMEBOL |
| Number of clubs | 16 |
| Level on pyramid | 1 |
| Relegation to | Primera B |
| Domestic cup | Copa Chile |
| International cup(s) | Copa Libertadores Copa Sudamericana |
| Current champions | Coquimbo Unido (1st title) (2025) |
| Most championships | Colo-Colo (34 titles) |
| Most appearances | Adolfo Nef (624) |
| Top scorer | Esteban Paredes (221) |
| Broadcaster(s) |
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| Website | Liga de Primera Itaú |
| Current: 2026 season | |
The Liga de Primera or Campeonato Nacional de la Primera División del Fútbol Profesional Chileno (English: "National Championship of the First Division of Chilean Professional Football") is a professional association football league in Chile and the highest level of the Chilean football league system. Founded in 1933, it is organized by the Asociación Nacional de Fútbol Profesional (ANFP). The league is officially known as the Liga de Primera Mercado Libre due to sponsorship by Argentine e-commerce company Mercado Libre.
Throughout its history, the national championship has had different formats, structures and number of participants. The 2025 season is being contested through a single tournament throughout the calendar year. A total of 16 teams participate in the competition and it works with a system of promotion and relegation with the lower category, the Primera B (category with which it shares the Copa Chile).
A total of 53 clubs have played at least one season in the first division, and 16 have won the title at least once. Its first champion was Deportes Magallanes. Colo-Colo has been the only team to participate in every first division season, as holds the most titles won with 34, followed by Universidad de Chile with 18, Universidad Católica with 16 and Cobreloa with 8, the most titles held by any team outside the capital.