REMA 1000-ligaen is the premier women's professional handball league for Norwegian handball clubs. It is administered by the Norwegian Handball Federation, and the winners are recognized as Norwegian champions. It was established in 1968, and it is currently contested by thirteen teams. Larvik HK, which has dominated the competition in recent years, is the championship's most successful team with eighteen titles, followed by IL Vestar and Byåsen IL with nine and five respectively. The league has previously been known as eliteserien, Gildeserien, Postenligaen and GRUNDIGligaen.

Currently the champion is granted a spot in the EHF Champions League's group stage.

The thirteen teams of the 2020–21 season. Vipers Kristiansand is the defending champion.