The 2003 Crown Prince Cup was the 28th season of the Saudi premier knockout tournament since its establishment in 1957. It started with the qualifying rounds on 9 January 2003 and concluded with the final on 9 April 2003. In the final, Al-Hilal defeated defending champions Al-Ahli 1–0 to secure their fourth title. The final was held at the King Fahd International Stadium in Riyadh. As winners of the tournament, Al-Hilal qualified for the 2004 AFC Champions League group stage.