The 2015–16 Sultan Qaboos Cup is the 43rd edition of the Sultan Qaboos Cup, the premier knockout tournament for football teams in Oman. The competition began on 23 October 2015 with the Qualification round. Al-Oruba SC were the defending champions, having won their fourth title in 2015. On Saturday 30 April 2016, Saham Club overcame Al-Khaboura SC with a solitary goal victory and to lay their hands on the prestigious Sultan Qaboos Cup trophy only for the second time in the club's history.
3 teams played a knockout tie. 3 ties were played over one leg. The first match was played between Al-Wusta Club and Dibba Club on 23 October 2015. Dibba Club, Al-Salam SC and Bidia SC advanced to the Round of 32 after winning their respective ties. ---- ----
Round of 32
The draw for the round of 32 was held on 9 December 2015. 32 teams played a knockout tie. 16 ties were played over one leg. 16 teams advanced to the Round of 16. The first match was played between Ahli Sidab Club and Al-Shabab Club on 29 December 2015 at the Al-Seeb Stadium, Al-Seeb. ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
Round of 16
The draw for the round of 16 was held on 4 January 2016. 16 teams played a knockout tie. 8 ties were played over one leg. 8 teams advanced to the Quarter-finals. The first match was played between Oman Club and Fanja SC on 13 January 2016 at the Al-Seeb Stadium, Al-Seeb. ---- ---- ---- ---- ---- ---- ----
Quarter-finals
The draw for the Quarter-finals was held on 25 January 2016. 8 teams played knockout ties. 4 ties were played over two legs. The first match was played between Al-Nasr S.C.S.C. and Fanja SC on 15 February 2016 at the Salalah Sports Complex, Salalah. Al-Nasr S.C.S.C., Al-Khabourah SC, Salalah SC and Saham Club advanced to the Semi-finals.
First leg
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Second leg
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Semi-finals
The draw for the Semi-finals was held on 2 March 2016. 4 teams played knockout ties. 2 ties were played over two legs. Saham Club and Al-Khaboura SC advanced to the Finals, with the latter making its first ever Sultan Qaboos Cup finals in the history of the club.