1. divisjon is the name of the second highest handball league for both genders in Norway.
The two best placed teams win promotion to REMA 1000-ligaen for men and REMA 1000-ligaen for women, while the bottom finishers get relegated to the Norwegian 2. divisjon.
The division consists of 14 teams that meet each opponent once away and once at home.
[1][2] Follo HK Damer are the defending champions for women, and TIF Viking are the defending champions for men, and they both play in REMA 1000-ligaen for women and REMA 1000-ligaen for men in the current season.
Teams who end the season as #'s 13 and 14 will be directly relegated to 2. divisjon.