The 2026 Norwegian Second Division will be a Norwegian men's football third-tier league season. The league consists of 28 teams divided into two groups of 14 teams.
The league will be played as a double round-robin tournament, where all teams play 26 matches. The season will start on April 6th and will end on October 31st, not including play-off matches.
The following teams have changed division since the 2025 season:
Promoted from Third Division
Relegated from First Division
Promoted to First Division
Relegated to Third Division
The following 14 clubs compete in Group 1:
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The following 14 clubs compete in Group 2:
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The teams who finish in second place in their respective group qualify for the promotion play-offs, where they face each other over two legs. The winner goes on to play against the 14th-placed team in the First Division for a place in the 2027 First Division.