The Clausura 2009 Liguilla Final was a two-legged football match-up to determine the Clausura 2009 champions. The final was contested by Club Universidad Nacional (mostly known for the acronym "UNAM") and Pachuca. The first leg was held in Estadio Olímpico Universitario in Mexico City and was won by UNAM 1–0. The second leg was held in Estadio Hidalgo of Pachuca where both teams tied 2–2 after extra time. UNAM won the series 3–2 on aggregate, therefore the club crowned champion of the season, achieving their sixth Mexican Primera División title.