2025–26 UEFA Conference League league phase

The 2025–26 UEFA Conference League league phase began on 2 October and ended on 18 December 2025. A total of 36 teams competed in the league phase to decide the 24 places in the knockout phase of the 2025–26 UEFA Conference League.

Crystal Palace, Drita, Hamrun Spartans, KuPS, Rayo Vallecano, Samsunspor, Shelbourne, Shkëndija, Sigma Olomouc and Universitatea Craiova made their debut appearances in a major UEFA competition group or league phase. Hamrun Spartans was the first team from Malta to play in a major UEFA competition group stage or league phase.

A total of 29 national associations were represented in the league phase. Poland was the first country to have four clubs play in the Conference League group stage/league phase, and it was also the first time in history that four Polish clubs competed in any edition of a UEFA competition group stage or league phase.