2012 Torneo Clausura (Chile)

The 2012 Campeonato Nacional Clausura Petrobras was the 91st season of the Chilean Primera División. The champion was Huachipato, winning their 2nd league title, 38 years after their first championship. It was, as of 2023, the last Chilean top-flight tournament to be decided by playoff stage.

Quarterfinals
Colo-Colo won 6–5 on aggregate.

Unión Española won 4–1 on aggregate.

Huachipato won 3–2 on aggregate.

Rangers won 2–0 on aggregate.

Semifinals
Unión Española won 5–1 on aggregate.

Huachipato won 2–1 on aggregate.

Finals
''4–4 on aggregate. Huachipato won 3–2 on penalties.''

Relegation/promotion playoffs
''Everton won 4–1 on aggregate and is promoted to Primera División. Universidad de Concepción is relegated to Primera B.''

Cobresal won 4–3 on aggregate and therefore both clubs remain in their respective leagues.