The 1983 King Cup was the 25th season of the knockout competition since its establishment in 1956. Al-Hilal were the defending champions, but they were eliminated by Al-Ahli in the semi-finals.
Al-Ahli defeated Al-Ettifaq in the final to win their 10th title.[1][2]
The four winners of the quarter-finals progressed to the semi-finals. The semi-finals were played on 5 and 6 May 1983. All times are local, AST (UTC+3).
The final was played between Al-Ettifaq and Al-Ahli in the Youth Welfare Stadium in Riyadh.[9] Al-Ahli were appearing in their 12th final while Al-Ettifaq were appearing in their fourth the final. This final was a repeat of the 1965 final which ended in a win for Al-Ahli.[10]