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.
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.