This article is a summary of the 2026 football season in South Korea. The season began on 28 February for the men's professional divisions K League 1 and K League 2. The third tier K3 League and fourth tier K4 League began on 7 March. The women's top tier WK League is due to start on 4 April.
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The KFA announced a restructuring of the Korea Cup ahead of the 2026 season, with the competition switching fron a spring-autumn format to an autumn-spring format. The first four rounds of the 2026-27 Korea Cup are expected to take place in July and August 2026.
The K League Super Cup returned to the footballing calendar after a 20-year hiatus. It was contested between previous year's Double winners Jeonbuk Hyundai Motors and 2025 K League 1 runners-up Daejeon Hana Citizen on 21 February at Jeonju World Cup Stadium.
The league stage matches until matchday 6 were held in 2025.
The group stage matches were held in 2025.
The group stage matches were held in 2025.