2023 Latvian Second League

The 2023 Latvian Second League (referred to as the Altero.LV Līga for sponsorship reasons) was the 32nd season of third-tier football in Latvia. The season started on 15 April 2023 and finished on 21 October 2023.

The champions (Mārupe) and runners-up (Ogre United) were promoted to the 2024 Latvian First League. The third-placed team (Augšdaugavas) qualified for the Latvian First League play-off against the twelfth-placed team from the 2023 Latvian First League. The bottom three teams (Liepāja-2, Limbaži, and Staiceles Bebri) were relegated to the 2024 Latvian Third League.

Teams
The league consisted of sixteen teams; ten remaining from the previous season, five promoted from the Latvian Third League, and one relegated from the Latvian First League.

The teams were originally split into two groups (East and West), and play each other twice (once at home and once away). The top four teams in each group qualify for Group A, while the bottom four teams in each group qualify for Group B.

East
Each team plays every other team twice (once at home and once away).

West
Each team plays every other team twice (once at home and once away).

Group A
Each team plays every team not played in the first half of the season twice (once at home and once away), with the results against the three remaining teams being carried over from the first half of the season.

Group B
Each team plays every team not played in the first half of the season twice (once at home and once away), with the results against the three remaining teams being carried over from the first half of the season.