The Liga Perdana 1 or Liga Perdana Satu () was the top-tier professional football league in Malaysia that operated from 1998 to 2003.
The league was established to succeed the Liga Perdana. It was then succeeded in 2004 by the formation of the Liga Super. The first game was played on 4 April 1998. The last champions of Liga Perdana 1 is Perak, which won the league for the second straight season.
Below is the list of champions of Liga Perdana from 1998 until 2003.