The season started on 10 April 2023 and ended on 12 November 2023, not including play-off matches.
[1] In the 2022 Norwegian First Division, Brann and Stabæk were promoted to the 2023 Eliteserien, while Grorud and Stjørdals-Blink were relegated to the 2023 Norwegian Second Division.
Jerv and Kristiansund were relegated from the 2022 Eliteserien, while Moss and Hødd were promoted from the 2022 Norwegian Second Division.
The teams from third to sixth place will take part in the promotion play-offs; these are single leg knockout matches.
The winner of the second round will meet the third-placed team on away ground.