| Season | 2023 |
|---|---|
| Dates | 25 February – 3 December 2023 |
| Champions | Ulsan Hyundai (4th title) |
| Relegated | Suwon Samsung Bluewings |
| Champions League Elite | Ulsan Hyundai Pohang Steelers Gwangju FC |
| Champions League Two | Jeonbuk Hyundai Motors |
| Matches played | 174 |
| Goals scored | 447 (2.57 per match) |
| Best Player | Kim Young-gwon |
| Top goalscorer | Joo Min-kyu Tiago Orobó (17 goals each) |
| Biggest home win | Gwangju 5–0 Incheon (18 March 2023) |
| Biggest away win | Suwon FC 0–5 Jeju (14 May 2023) |
| Highest scoring | Seoul 7–2 Suwon FC (12 July 2023) |
| Longest winning run | 6 matches Ulsan Hyundai |
| Longest unbeaten run | 9 matches Gwangju FC Pohang Steelers |
| Longest winless run | 15 matches Gangwon FC |
| Longest losing run | 5 matches Suwon Samsung Bluewings |
| Highest attendance | 45,007 Seoul 3–0 Daegu (8 April 2023) |
← 2022 2024 → | |
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 League 1. Defending champions Ulsan Hyundai successfully defended their title.[1]
After progressing 33 regular rounds as ever, the league was divided into two groups, the top six and the bottom six, and each team played five matches against other teams in its group.