Oita Trinita
Official Name: Oita Trinita Football Club
Formed: 1999 Ground: Kyushu Oil Dome (40,000) Manager: Ranko Popović
| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | Previous Club |
| 1 | Shusaku Nishikawa | JPN | G | 1.83 | 79 | 18-06-86 | Oita | None |
| 2 | Shusuke Tsubouchi | JPN | D | 1.80 | 75 | 05-05-83 | Gumma | Vissel Kobe |
| 3 | ||||||||
| 4 | Yuki Fukaya | JPN | D | 1.80 | 73 | 01-08-82 | Aichi | None |
| 5 | Edmilson | BRA | M | 1.82 | 72 | 17-02-76 | Ceará | |
| 6 | Masato Morishige | JPN | M | 1.79 | 72 | 21-05-87 | Hiroshima | Sanfrecce Hiroshima |
| 7 | Teppei Nishiyama | JPN | M | 1.78 | 72 | 22-02-75 | Chiba | Montedio Yamagata |
| 8 | Mu Kanasaki | JPN | M | 1.80 | 70 | 16-02-89 | Mie | None |
| 9 | Yasuhito Morishima | JPN | F | 1.86 | 80 | 18-09-87 | Hyogo | Cerezo Osaka |
| 10 | ||||||||
| 11 | Shingo Suzuki | JPN | M | 1.68 | 63 | 20-03-78 | Saitama | Albirex Niigata |
| 12 | ||||||||
| 13 | Daiki Takamatsu | JPN | F | 1.83 | 75 | 08-09-81 | Yamaguchi | None |
| 14 | Akihiro Ienaga | JPN | M | 1.73 | 70 | 13-06-86 | Hyogo | Gamba Osaka |
| 15 | ||||||||
| 16 | Seigo Shimokawa | JPN | G | 1.84 | 78 | 17-11-75 | Hyogo | Kawasaki Frontale |
| 17 | Fernandinho | BRA | M | 1.61 | 66 | 13-01-81 | Florianópolis | Vasco da Gama |
| 18 | Takahiko Sumida | JPN | F | 1.77 | 60 | 12-03-91 | Tottori | None |
| 19 | Shunsuke Maeda | JPN | F | 1.72 | 72 | 09-06-86 | Nara | Sanfrecce Hiroshima |
| 20 | Daisuke Takahashi | JPN | F | 1.78 | 74 | 18-09-83 | Fukuoka | None |
| 21 | Keigo Higashi | JPN | M | 1.77 | 63 | 20-07-90 | Fukuoka | None |
| 22 | Taikai Uemoto | JPN | D | 1.80 | 68 | 01-06-82 | Kagoshima | Jubilo Iwata |
| 23 | Ryosuke Ishida | JPN | G | 1.83 | 74 | 04-07-89 | Osaka | None |
| 24 | ||||||||
| 25 | Hiroyuki Kobayashi | JPN | D | 1.80 | 72 | 18-04-80 | Hokkaido | TDK |
| 26 | Tatsuya Ikeda | JPN | D | 1.84 | 73 | 18-05-88 | Hyogo | Gamba Osaka |
| 27 | Koki Kotegawa | JPN | F | 1.73 | 64 | 12-09-89 | Oita | None |
| 28 | Hiroshi Kiyotake | JPN | M | 1.72 | 63 | 12-11-89 | Oita | None |
| 29 | ||||||||
| 30 | Yudai Inoue | JPN | M | 1.70 | 65 | 30-05-89 | Oita | None |
| 31 | ||||||||
| 32 | Masashi Miyazawa | JPN | M | 1.75 | 67 | 24-04-78 | Yamanashi | FC Tokyo |
| 33 | Yoshiaki Fujita | JPN | D | 1.80 | 75 | 12-01-83 | Tochigi | JEF United |
| 34 | Takashi Umeda | JPN | M | 1.74 | 68 | 30-05-76 | Gifu | None |
| 35 | Choi Jung-Han | KOR | F | 1.79 | 73 | 03-06-89 | Incheon | Yonsei Univ |
| 36 | Naoya Kikuchi | JPN | M | 1.81 | 74 | 24-11-84 | Shizuoka | Carl Zeiss Jena |
| 37 | ||||||||
| 38 | ||||||||
| 39 | ||||||||
| 40 | ||||||||
Players no longer at this club |
||||||||
| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | New Club |
| 3 | Roberto | BRA | M | 1.80 | 77 | 20-02-79 | Sagan Tosu (On Loan) | |
| 10 | Ueslei | BRA | F | 1.77 | 89 | 19-04-72 | Salvador | Bahia |
| 29 | Keisuke Shimizu | JPN | G | 1.83 | 74 | 25-11-88 | Hyogo | New Wave Kitakyushu (On Loan) |