2003–04 Thai League
The 2003–04 Thai Premier League had 10 teams. Two clubs would be relegated and 2 teams promoted from Thailand Division 1 League. The team that finished in 8th position would play in a relegation play-off.Member clubs
again won the Queen's Cup. This was their third success in a row.Asian Representation
Coach of the Year
The league champion was Krung Thai Bank. It was the second time the team won the title.