The 2018–19 season was Hajer's third consecutive season in the Prince Mohammad bin Salman League following their relegation from the Professional League during the 2015–16 season, it was also their 68th year in existence.[4] Along with competing in the MS League, the club also participated in the King Cup. The season covers the period from 1 July 2018 to 30 June 2019.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
Updated to match(es) played on 15 May 2019. Source: kooora.com Rules for classification: 1) Points; 2) Head-to-head points; 3) Head-to-head goal difference; 4) Total goal difference; 5) Total goals scored; 6) Play-off (only for deciding champion, promotion and relegation).[33] (C) Champions; (P) Promoted; (Q) Qualified for the phase indicated; (R) Relegated Notes:
^ abAl-Jeel finished ahead of Al-Tai on head-to-head goal difference: Al-Jeel 2–0 Al-Tai, Al-Tai 1–0 Al-Jeel.
^ abJeddah finished ahead of Al-Nojoom on overall goal difference: Jeddah +3, Al-Nojoom +2 (Jeddah 1–1 Al-Nojoom, Al-Nojoom 2–2 Jeddah).
^ abAl-Nahda finished ahead of Al-Ain on overall goal difference: Al-Nahda −1, Al-Ain −2 (Al-Nahda 2–1 Al-Ain, Al-Ain 2–1 Al-Nahda).