The 2009–10 Crown Prince Cup was the 35th season of the Saudi Crown Prince Cup since its establishment in 1957. This season's competition featured a total of 16 teams, 12 teams from the Pro League, and 4 teams from the Qualifying Rounds. Al-Hilal were the two-time defending champions, having retained the trophy in 2009, and won their third consecutive title, defeating Al-Ahli in the final on 19 February 2010. Al-Hilal won their record-extending 9th title and their third title in a row.