2023 J2 League
| Season | 2023 | 
|---|---|
| Dates | 18 February – 12 November | 
| Champions | Machida Zelvia | 
| Promoted | Machida Zelvia Júbilo Iwata Tokyo Verdy | 
| Relegated | Omiya Ardija Zweigen Kanazawa | 
| Matches played | 462 | 
| Goals scored | 1,179 (2.55 per match) | 
| Top goalscorer | Juanma (26 goals) | 
| Biggest home win | Shimizu S-Pulse 9–1 Iwaki FC (7 May) | 
| Biggest away win | Renofa Yamaguchi 0–6 Shimizu S-Pulse (16 April) V-Varen Nagasaki 0–6 Machida Zelvia (23 September) Iwaki FC 1–7 Shimizu S-Pulse (21 October) | 
| Highest scoring | Shimizu S-Pulse 9–1 Iwaki FC (7 May) | 
| Longest winning run | JEF United Chiba (7 matches) | 
| Longest unbeaten run | Shimizu S-Pulse (13 matches) | 
| Longest winless run | Omiya Ardija (15 matches) | 
| Longest losing run | Montedio Yamagata (8 matches) | 
| Highest attendance | 47,628 Shimizu S-Pulse 2–2 JEF United Chiba (16 July) | 
| Lowest attendance | 1,493 Thespakusatsu Gunma 1–1 Roasso Kumamoto (5 July) | 
| Total attendance | 3,189,482 | 
| Average attendance | 6,904 | 
| ← 2022  2024 →  | |
The 2023 J2 League, also known as the 2023 Meiji Yasuda J2 League (Japanese: 2023 明治安田生命J2リーグ, Hepburn: 2023 Meiji Yasuda Seimei J2 Rīgu) for sponsorship reasons, was the 25th season of the J2 League, the second-tier Japanese professional league for association football clubs, since its establishment in 1999.