The 2015-16 Oman First Division League (known as the Omantel First Division League for sponsorship reasons) is the 40th edition of the second-highest division overall football league in Oman. The season began on 1 October 2015 and concluded on 22 April 2016. Muscat Club are the defending champions, having won their first title in the previous 2014–15 season. At the end of the 9th round in the play-offs, on Friday, 15 April 2016, were crowned the champions of the 2015–16 Oman First Division League with one game to spare after a 1-0 win over Bowsher Club winning their first ever domestic title and hence earning promotion to the top flight for the first time in the club's history.. Al-Rustaq SC along with Oman Club and earned promotion to 2016–17 Oman Professional League.