| Club: | Oita Trinita |
| Season: | 2012 |
| Manager: |  Kazuaki Tasaka |
| Stadium: | Oita Bank Dome |
| League: | J2 League |
| League Result: | 6 th |
| Prevseason: | 2011 |
| Nextseason: | 2013 |
2012 Oita Trinita season.
| Match | Date | Team | Score | Team | Venue | Attendance | |
|---|---|---|---|---|---|---|---|
| 1 | 2012.03.04 | Oita Trinita | 2-3 | Thespa Kusatsu | Oita Bank Dome | 9,379 | |
| 2 | 2012.03.11 | Tochigi SC | 0-3 | Oita Trinita | Tochigi Green Stadium | 4,148 | |
| 3 | 2012.03.17 | Montedio Yamagata | 3-2 | Oita Trinita | ND Soft Stadium Yamagata | 6,315 | |
| 4 | 2012.03.20 | Oita Trinita | 1-0 | Fagiano Okayama | Oita Bank Dome | 7,113 | |
| 5 | 2012.03.25 | FC Gifu | 0-2 | Oita Trinita | Gifu Nagaragawa Stadium | 2,539 | |
| 6 | 2012.04.01 | Oita Trinita | 1-0 | Ehime FC | Oita Bank Dome | 8,082 | |
| 7 | 2012.04.08 | Ventforet Kofu | 1-0 | Oita Trinita | Yamanashi Chuo Bank Stadium | 9,651 | |
| 8 | 2012.04.15 | Oita Trinita | 0-0 | Tokushima Vortis | Oita Bank Dome | 7,607 | |
| 9 | 2012.04.22 | Kataller Toyama | 2-3 | Oita Trinita | Toyama Stadium | 2,003 | |
| 10 | 2012.04.27 | Kyoto Sanga FC | 1-2 | Oita Trinita | Kyoto Nishikyogoku Athletic Stadium | 5,021 | |
| 11 | 2012.04.30 | Oita Trinita | 0-0 | Roasso Kumamoto | Oita Bank Dome | 12,595 | |
| 12 | 2012.05.03 | Avispa Fukuoka | 1-1 | Oita Trinita | Level5 Stadium | 7,637 | |
| 13 | 2012.05.06 | Oita Trinita | 3-0 | Gainare Tottori | Oita Bank Dome | 8,085 | |
| 14 | 2012.05.13 | Shonan Bellmare | 1-1 | Oita Trinita | Shonan BMW Stadium Hiratsuka | 6,111 | |
| 15 | 2012.05.20 | Oita Trinita | 2-1 | FC Machida Zelvia | Oita Bank Dome | 7,253 | |
| 16 | 2012.05.27 | Oita Trinita | 0-2 | JEF United Chiba | Oita Bank Dome | 10,747 | |
| 17 | 2012.06.02 | Tokyo Verdy | 3-1 | Oita Trinita | Ajinomoto Stadium | 3,670 | |
| 18 | 2012.06.09 | Oita Trinita | 2-0 | Matsumoto Yamaga FC | Oita Bank Dome | 8,019 | |
| 19 | 2012.06.13 | Yokohama FC | 0-1 | Oita Trinita | NHK Spring Mitsuzawa Football Stadium | 2,639 | |
| 20 | 2012.06.17 | Oita Trinita | 1-0 | Mito HollyHock | Oita Bank Dome | 6,459 | |
| 21 | 2012.06.24 | Giravanz Kitakyushu | 0-2 | Oita Trinita | Honjo Stadium | 2,129 | |
| 22 | 2012.07.01 | Oita Trinita | 1-1 | Kataller Toyama | Oita Bank Dome | 6,878 | |
| 23 | 2012.07.08 | Thespa Kusatsu | 0-2 | Oita Trinita | Shoda Shoyu Stadium Gunma | 2,208 | |
| 24 | 2012.07.15 | Oita Trinita | 1-4 | Shonan Bellmare | Oita Bank Dome | 10,137 | |
| 25 | 2012.07.22 | Oita Trinita | 2-2 | FC Gifu | Oita Bank Dome | 8,871 | |
| 26 | 2012.07.29 | Ehime FC | 1-2 | Oita Trinita | Ningineer Stadium | 3,502 | |
| 27 | 2012.08.05 | Tokushima Vortis | 0-4 | Oita Trinita | Pocarisweat Stadium | 4,101 | |
| 28 | 2012.08.12 | Oita Trinita | 0-1 | Giravanz Kitakyushu | Oita Bank Dome | 8,941 | |
| 29 | 2012.08.19 | Mito HollyHock | 2-1 | Oita Trinita | K's denki Stadium Mito | 3,975 | |
| 30 | 2012.08.22 | Oita Trinita | 2-1 | Tokyo Verdy | Oita Bank Dome | 7,007 | |
| 31 | 2012.08.26 | Fagiano Okayama | 0-0 | Oita Trinita | Kanko Stadium | 9,237 | |
| 32 | 2012.09.02 | Oita Trinita | 1-2 | Ventforet Kofu | Oita Bank Dome | 23,617 | |
| 33 | 2012.09.14 | Oita Trinita | 2-0 | Kyoto Sanga FC | Oita Bank Dome | 6,534 | |
| 34 | 2012.09.17 | Roasso Kumamoto | 2-1 | Oita Trinita | Kumamoto Athletics Stadium | 9,645 | |
| 35 | 2012.09.23 | Oita Trinita | 0-1 | Tochigi SC | Oita Bank Dome | 9,027 | |
| 36 | 2012.09.30 | FC Machida Zelvia | 1-3 | Oita Trinita | Machida Stadium | 2,859 | |
| 37 | 2012.10.07 | Oita Trinita | 1-2 | Yokohama FC | Oita Bank Dome | 10,138 | |
| 38 | 2012.10.14 | JEF United Chiba | 1-2 | Oita Trinita | Fukuda Denshi Arena | 11,966 | |
| 39 | 2012.10.21 | Gainare Tottori | 1-0 | Oita Trinita | Tottori Bank Bird Stadium | 3,564 | |
| 40 | 2012.10.28 | Oita Trinita | 1-0 | Avispa Fukuoka | Oita Bank Dome | 10,617 | |
| 41 | 2012.11.04 | Oita Trinita | 3-0 | Montedio Yamagata | Oita Bank Dome | 17,028 | |
| 42 | 2012.11.11 | Matsumoto Yamaga FC | 0-0 | Oita Trinita | Matsumotodaira Park Stadium | 12,956 |