The 2023 K League 1, also known as the Hana 1Q K League 1 for sponsorship reasons, was the 41st season of the top division of professional football in South Korea, and the eleventh season of the K Lea
The 2023 K League 2, also known as the Hana 1Q K League 2 for sponsorship reasons, was the 11th season of the K League 2, the second-highest division in South Korean football league system.