1999–2000 Hong Kong First Division League

The 1999–2000 Hong Kong First Division League season was the 89th since its establishment. The season began on the 7 September 1999 and ended on 20 May 2000.

Teams

 * Happy Valley (Defending Champion)
 * Instant-Dict
 * Kitchee (Promoted from Second Division)
 * O&YH Union (Branded O&YH Union due to sponsorship)
 * Rangers (Retained in the First Division despite relegated by rules)
 * Sai Kung (Renamed from Sai Kung Friends, retained in the First Division despite originally relegated by rules)
 * South China
 * Sun Hei (Renamed from Golden)

Second stage
NB: Teams take points and goals halved from first phase. GF and GA is rounded.