Team Changes As the 2025 K League 2 champions,
Incheon United and the play-off winners
Bucheon FC 1995 have been promoted to the
K League 1. Both teams ended in the second tier after one and twelve years, respectively. Meanwhile,
Suwon FC and
Daegu FC have been relegated from the
K League 1. Daegu FC and Suwon FC return to second tier after nine and five years absence, respectively. Additionally,
Gimhae FC 2008 and
Paju Frontier have been accepted into the
K League 2 following a decision by the K League Federation, having participated in the
K3 League since 2020 and 2021. In August 2025,
Yongin FC received approval to join the
K League, confirming its intention to participate in the
2026 K League 2. On 16 January 2026, two teams from K3 League and one newly established team will participate in K League 2 for the 2026 season after its final approval for membership in the K League Federation.
Locations The following seventeen teams are participating in the 2026 K League 2.
Stadiums Personnel and sponsoring Managerial changes ==Foreign players==