1998–99 Hong Kong First Division League
| Season | 1998–99 | 
|---|---|
| Champions | Happy Valley 3rd Hong Kong title  | 
| Matches played | 56 | 
| Goals scored | 201 (3.59 per match) | 
| Top goalscorer | Tomy (Sai Kung Friends)  (16 goals)  | 
← 1997–98   | |
The 1998–99 Hong Kong First Division League season was the 88th since its establishment.
The first match was played on 30 August 1998 with Instant-Dict drew South China 2–2. However, as there was an ineligible player in Instant-Dict's squad and the team was penalised with a 0–3 loss.