The 2017–18 Crown Prince Cup is the 43rd season of the Saudi premier knockout tournament for football teams of the Saudi Professional League. It will begin on 7 September 2017 and will concluded with the final in March 2018. Al-Ittihad are the defending champions after a 1–0 win over Al-Nassr in the final. On 19 September 2017, the General Sports Authority decided to cancel and abolish the tournament and start the new edition next season