1999 Thai Premier League
| Season | 1999 |
|---|---|
| Champions | Royal Thai Air Force |
| Relegated | Royal Thai Army Bangkok Bank of Commerce |
| 2000–01 Asian Club Championship | Royal Thai Air Force FC |
| 2000–01 Asian Cup Winners Cup | BEC Tero Sasana FC |
| Top goalscorer | Sutee Suksomkit (Thai Farmers Bank) (13) |
| Biggest home win | Royal Thai Air Force 10-0 Bangkok Bank of Commerce Royal Thai Army 6-2 Bangkok Bank of Commerce Thai Farmers Bank 4-0 Bangkok Bank of Commerce |
| Biggest away win | Bangkok Metropolitan Administration 0-3 Port Authority of Thailand Bangkok Bank of Commerce 0-3 Port Authority of Thailand Krung Thai Bank 0-3 Port Authority of Thailand |
| Highest scoring | Royal Thai Air Force 10-0 Bangkok Bank of Commerce (10 goals) Royal Thai Army 6-2 Bangkok Bank of Commerce (8 goals) |
← 1998 2000 → | |
The 1999 Thai Premier League consisted of 12 teams. The bottom club would be relegated to the Thailand Division 1 League. The club that came 11th would play in a relegation / promotion match against the club that came second in the Thailand Division 1 League
Defending Champions Sinthana would enter the next edition of the Asian Club Championship.
The league was also known as the Caltex Premier League.