1998–99 Omani League
The 1998–99 Omani League was the 23rd edition of the top football league in Oman. Al-Nasr S.C.S.C. were the defending champions, having won the previous 1997–98 Omani League season. Dhofar S.C.S.C. emerged as the champions of the 1998–99 Omani League with a total of 34 points.
This season the league had 10 teams. Quriyat Club and Buraimi SC were relegated to the Second Division League after finishing in the relegation zone in the 1997-98 season. The two relegated teams were replaced Second Division League teams Al-Suwaiq Club and Fanja SC.
Stadia and locations
|Al-Ittihad||Salalah||Al-Saada Stadium / Salalah Sports Complex||12,000 / 8,000|
|Al-Nasr||Salalah||Al-Saada Stadium / Salalah Sports Complex||12,000 / 8,000|
|Al-Oruba||Sur||Sur Sports Complex||8,000|
|Al-Suwaiq||Al-Suwaiq||Sohar Regional Sports Complex||19,000|
|Dhofar||Salalah||Al-Saada Stadium / Salalah Sports Complex||12,000 / 8,000|
|Oman||Muscat||Sultan Qaboos Sports Complex / Royal Oman Police Stadium||39,000 / 18,000|
|Sohar||Sohar||Sohar Regional Sports Complex||19,000|
|Sur||Sur||Sur Sports Complex||8,000|
||Qualification or relegation
|9||Oman (R)||18||5||5||8||14||22||−8||20||Relegation to 1999–2000 Oman First Division League|
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored
(C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished:
(Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.