The 2018 All-Japan Championships were held from April 27 through April 29 in Tokyo, Japan.
All-Around Final Results
| Rank | Athlete | Club | FX | PH | SR | VT | PB | HB | AA | Total |
| 1 | Kakeru Tanigawa | Juntendo University | 14.500 | 14.700 | 14.066 | 14.433 | 14.866 | 13.900 | 86.465 | 172.496 |
| 2 | Kenzo Shirai | Nippon Sports Science University | 15.433 | 13.533 | 13.566 | 15.000 | 14.500 | 14.033 | 86.065 | 172.164 |
| 3 | Kohei Uchimura | Ringer Hut | 14.433 | 14.300 | 14.200 | 14.400 | 14.500 | 14.733 | 86.566 | 171.664 |
| 4 | Kazuma Kaya | Juntendo University | 14.066 | 14.400 | 14.066 | 14.100 | 15.033 | 13.766 | 85.431 | 171.329 |
| 5 | Yusuke Tanaka | Konami Sports | 14.233 | 13.933 | 14.133 | 13.966 | 15.266 | 14.566 | 86.097 | 171.062 |
| 6 | Kenta Chiba | Juntendo University | 14.433 | 14.566 | 13.866 | 14.033 | 15.066 | 13.366 | 85.330 | 170.396 |
| 7 | Wataru Tanigawa | Juntendo University | 14.500 | 13.900 | 13.900 | 15.033 | 14.700 | 12.500 | 84.533 | 170.265 |
| 8 | Shogo Nonomura | Central Sports | 14.133 | 13.733 | 14.433 | 13.733 | 14.600 | 13.600 | 84.232 | 168.863 |
| 9 | Seiya Taura | Tokushu Gymnastics Club | 14.000 | 13.833 | 13.533 | 14.366 | 14.633 | 13.933 | 84.298 | 168.795 |
| 10 | Shoichi Yamamoto | Asahi Life | 14.300 | 14.466 | 13.866 | 13.966 | 14.700 | 14.033 | 85.331 | 168.395 |
| 11 | Yuya Kamoto | Konami Sports | 14.266 | 13.500 | 14.200 | 13.766 | 15.066 | 13.700 | 84.498 | 167.729 |
| 12 | Ryohei Kato | Konami Sports | 14.066 | 14.166 | 13.266 | 14.166 | 12.800 | 13.566 | 82.030 | 166.627 |
| 13 | Fuya Maeno | Kanoya Sports College | 14.033 | 13.700 | 14.433 | 14.200 | 13.433 | 14.033 | 83.832 | 166.496 |
| 14 | Kaito Imabayashi | Central Sports | 13.833 | 14.833 | 13.666 | 14.200 | 13.600 | 14.066 | 84.198 | 166.463 |
| 15 | Kazuyuki Takeda | Tokushukai | 14.000 | 14.066 | 14.766 | 12.400 | 14.500 | 13.866 | 83.598 | 166.196 |
| 16 | Hibiki Arayashiki | Juntendo University | 14.333 | 14.333 | 13.833 | 13.700 | 14.300 | 13.300 | 83.799 | 165.896 |
| 17 | Kaito Sugimoto | Nippon Sports Science University | 14.166 | 13.233 | 13.333 | 14.400 | 14.600 | 13.600 | 83.332 | 165.730 |
| 18 | Fumiya Kitamura | Juntendo University | 13.866 | 14.033 | 13.700 | 13.266 | 14.533 | 13.866 | 83.264 | 165.529 |
| 19 | Kenzo Kaneko | Tokushu Gymnastics Club | 13.500 | 13.566 | 13.533 | 13.866 | 12.766 | 13.900 | 81.131 | 165.163 |
| 20 | Yuu Nagayoshi | Sohgoh | 14.100 | 13.733 | 13.266 | 14.233 | 14.033 | 12.966 | 82.331 | 165.131 |
| 21 | Tatsuki Ichinose | Asahi Life | 13.533 | 12.400 | 14.066 | 13.333 | 13.666 | 13.833 | 80.831 | 164.329 |
| 22 | Ryuzo Sejima | Tokushu Gymnastics Club | 13.500 | 12.333 | 14.566 | 14.133 | 14.266 | 13.466 | 82.264 | 164.263 |
| 23 | Junpei Oka | Tokushu Gymnastics Club | 14.333 | 12.400 | 13.100 | 14.466 | 13.666 | 14.200 | 82.165 | 164.229 |
| 24 | Koji Yamamuro | Konami Sports | 13.766 | 14.000 | 13.566 | 12.466 | 14.466 | 13.833 | 82.097 | 164.063 |
| 25 | Yoshiaki Furutani | Konami Sports | 13.600 | 14.233 | 13.766 | 13.633 | 12.266 | 13.900 | 81.398 | 163.729 |
| 26 | Takuto Kakitani | Central Sports | 13.300 | 11.333 | 13.433 | 13.500 | 14.600 | 13.733 | 79.899 | 163.264 |
| 27 | Yusuke Saito | Tokushu Gymnastics Club | 13.533 | 13.566 | 13.133 | 13.366 | 14.400 | 12.966 | 80.964 | 163.195 |
| 28 | Naoto Hayasaka | Central Sports | 14.500 | 12.100 | 13.033 | 12.233 | 13.433 | 14.000 | 79.299 | 162.896 |
| 29 | Takaaki Sugino | Kanoya Sports College | 13.700 | 14.866 | 12.333 | 13.400 | 13.766 | 12.033 | 80.098 | 162.064 |
| 30 | Kenya Yuasa | Juntendo University | 12.866 | 11.433 | 13.600 | 12.433 | 12.766 | 13.500 | 76.598 | 158.862 |
All-Around Qualification Results
| Rank | Athlete | Club | FX | PH | SR | VT | PB | HB | AA |
| 1 | Kenzo Shirai | Nippon Sports Science University | 15.333 | 13.600 | 13.533 | 15.000 | 14.633 | 14.000 | 86.099 |
| 2 | Kakeru Tanigawa | Juntendo University | 14.433 | 14.433 | 14.033 | 14.233 | 15.066 | 13.833 | 86.031 |
| 3 | Kazuma Kaya | Juntendo University | 13.966 | 14.900 | 14.266 | 14.100 | 14.933 | 13.733 | 85.898 |
| 4 | Wataru Tanigawa | Juntendo University | 14.633 | 13.866 | 14.233 | 14.400 | 15.200 | 13.400 | 85.732 |
| 5 | Kohei Uchimura | Ringer Hut | 14.566 | 13.166 | 14.033 | 14.433 | 14.600 | 14.300 | 85.098 |
| 6 | Kenta Chiba | Juntendo University | 14.566 | 14.000 | 13.800 | 13.900 | 14.800 | 14.000 | 85.066 |
| 7 | Yusuke Tanaka | Konami Sports | 13.700 | 13.800 | 14.166 | 13.666 | 15.033 | 14.600 | 84.965 |
| 8 | Shogo Nonomura | Central Sports | 13.166 | 14.033 | 14.633 | 14.133 | 15.066 | 13.600 | 84.631 |
| 9 | Ryohei Kato | Konami Sports | 14.566 | 13.533 | 13.266 | 14.366 | 14.566 | 14.300 | 84.597 |
| 10 | Seiya Taura | Tokushu Gymnastics Club | 13.833 | 13.766 | 13.666 | 14.400 | 14.666 | 14.166 | 84.497 |
| 11 | Kenzo Kaneko | Tokushu Gymnastics Club | 13.833 | 13.900 | 13.800 | 14.100 | 14.433 | 13.966 | 84.032 |
| 12 | Naoto Hayasaka | Central Sports | 13.866 | 13.666 | 13.566 | 14.533 | 14.033 | 13.933 | 83.597 |
| 13 | Tatsuki Ichinose | Asahi Life | 13.866 | 13.566 | 14.000 | 13.866 | 13.900 | 14.300 | 83.498 |
| 14 | Takuto Kakitani | Central Sports | 13.700 | 14.766 | 13.300 | 13.533 | 14.200 | 13.866 | 83.365 |
| 15 | Yuya Kamoto | Konami Sports | 13.933 | 12.966 | 14.333 | 13.533 | 14.766 | 13.700 | 83.231 |
| 16 | Shoichi Yamamoto | Asahi Life | 13.766 | 13.500 | 13.633 | 13.466 | 14.833 | 13.866 | 83.064 |
| 17 | Yuu Nagayoshi | Sohgoh | 13.900 | 14.600 | 13.000 | 14.000 | 14.100 | 13.200 | 82.800 |
| 18 | Fuya Maeno | Kanoya Sports College | 12.666 | 13.266 | 14.233 | 13.866 | 14.500 | 14.133 | 82.664 |
| 19 | Kazuyuki Takeda | Tokushukai | 13.366 | 13.833 | 14.833 | 13.700 | 14.433 | 12.433 | 82.598 |
| 20 | Kaito Sugimoto | Nippon Sports Science University | 13.433 | 13.433 | 13.133 | 14.366 | 14.600 | 13.433 | 82.398 |
| 21 | Yoshiaki Furutani | Konami Sports | 13.466 | 13.866 | 13.600 | 13.566 | 13.933 | 13.900 | 82.331 |
| 22 | Kaito Imabayashi | Central Sports | 13.566 | 13.133 | 13.600 | 14.233 | 13.833 | 13.900 | 82.265 |
| 23 | Fumiya Kitamura | Juntendo University | 13.633 | 13.866 | 13.566 | 13.300 | 14.300 | 13.600 | 82.265 |
| 24 | Kenya Yuasa | Juntendo University | 13.333 | 13.966 | 13.766 | 13.400 | 14.566 | 13.233 | 82.264 |
| 25 | Yusuke Saito | Tokushu Gymnastics Club | 13.566 | 13.100 | 13.000 | 14.866 | 13.733 | 13.966 | 82.231 |
| 26 | Hibiki Arayashiki | Juntendo University | 14.300 | 14.633 | 13.366 | 13.966 | 12.566 | 13.266 | 82.097 |
| 27 | Junpei Oka | Tokushu Gymnastics Club | 14.133 | 13.966 | 13.133 | 13.933 | 13.566 | 13.333 | 82.064 |
| 28 | Ryuzo Sejima | Tokushu Gymnastics Club | 13.833 | 12.200 | 14.500 | 14.000 | 14.300 | 13.166 | 81.999 |
| 29 | Takaaki Sugino | Kanoya Sports College | 13.533 | 14.500 | 12.400 | 14.300 | 13.633 | 13.600 | 81.966 |
| 30 | Sho Yokoyama | Konami Sports | 13.200 | 13.400 | 13.433 | 13.200 | 14.700 | 14.033 | 81.966 |
| 31 | Koji Yamamuro | Konami Sports | 13.500 | 13.633 | 13.800 | 14.100 | 13.966 | 12.966 | 81.965 |
| 32 | Jun Muraoka | Gamba Gymnastics Club | 13.900 | 13.566 | 13.300 | 14.200 | 13.500 | 13.333 | 81.799 |
| 33 | Kazuki Matsumi | Sendai University | 14.200 | 12.933 | 13.233 | 13.700 | 14.266 | 13.466 | 81.798 |
| 34 | Takumi Sato | Konami Sports | 13.700 | 13.433 | 13.833 | 13.966 | 13.366 | 13.266 | 81.564 |
| 35 | Taichi Adachi | Funabashi High School | 14.266 | 13.433 | 13.100 | 13.466 | 13.766 | 13.266 | 81.297 |
| 36 | Yuto Kato | Juntendo University | 12.866 | 14.500 | 14.000 | 12.566 | 14.266 | 13.033 | 81.231 |
| 37 | Kentaro Yunoki | Nippon Sports Science University | 13.166 | 14.033 | 13.566 | 13.800 | 13.766 | 12.833 | 81.164 |
| 38 | Takuya Nagano | Asahi Life | 13.800 | 12.000 | 14.333 | 14.133 | 14.166 | 12.633 | 81.065 |
| 39 | Hiragi Horiuchi | Kanoya Sports College | 12.233 | 13.700 | 13.266 | 13.500 | 14.566 | 13.800 | 81.065 |
| 40 | Minori Haruki | Nippon Sports Science University | 14.000 | 13.333 | 13.966 | 13.933 | 12.600 | 13.133 | 80.965 |
| 41 | Rentaro Ueyama | Funabashi High School | 14.266 | 12.733 | 13.700 | 14.066 | 13.633 | 12.466 | 80.864 |
| 42 | Shigeto Suzuki | Juntendo University | 13.466 | 12.866 | 12.466 | 14.300 | 13.700 | 14.066 | 80.864 |
| 43 | Rensei Kobata | University of Tsukuba | 13.600 | 12.400 | 12.566 | 14.166 | 13.833 | 14.166 | 80.731 |
| 44 | Tomomasa Hasegawa | Tokushukai | 13.500 | 14.866 | 13.600 | 12.333 | 13.933 | 12.400 | 80.632 |
| 45 | Daiki Ishikawa | Fukui Gymnastics | 13.700 | 12.066 | 13.033 | 12.966 | 14.333 | 14.533 | 80.631 |
| 46 | Koji Nonomura | Asahi Life | 13.766 | 11.766 | 13.566 | 13.233 | 14.600 | 13.600 | 80.531 |
| 47 | Ryoma Kawamoto | Tokushu Gymnastics Club | 13.833 | 11.866 | 13.500 | 14.233 | 13.433 | 13.666 | 80.531 |
| 48 | Yosuke Nakajima | Ibaraki Gymnastics | 13.966 | 12.266 | 12.966 | 13.933 | 13.600 | 13.500 | 80.231 |
| 49 | Shiga Tachibana | Asahi Life | 13.500 | 13.500 | 12.866 | 13.700 | 13.066 | 13.400 | 80.032 |
| 50 | Kakuto Murayama | Funabashi High School | 13.400 | 12.300 | 12.966 | 14.133 | 13.433 | 13.566 | 79.798 |
| 51 | Wataru Yasukawa | Kawai Gymnastics | 13.733 | 12.200 | 13.433 | 13.400 | 13.866 | 13.133 | 79.765 |
| 52 | Daisuke Fudono | Nippon Sports Science University | 14.133 | 12.700 | 12.466 | 12.733 | 14.366 | 13.333 | 79.731 |
| 53 | Shotaro Shirai | Konami Sports | 14.066 | 13.366 | 13.233 | 14.166 | 11.766 | 13.066 | 79.663 |
| 54 | Kazuya Takahashi | Waseda University | 13.333 | 12.366 | 14.033 | 12.800 | 13.833 | 13.000 | 79.365 |
| 55 | Hayato Uchida | Fukuoka University | 13.633 | 13.900 | 12.766 | 13.800 | 13.200 | 11.933 | 79.232 |
| 56 | Yu Suzuki | Konami Sports | 13.100 | 12.500 | 12.533 | 13.333 | 14.466 | 13.133 | 79.065 |
| 57 | Yuta Nakahara | Fukuoka University | 13.600 | 13.433 | 12.700 | 13.900 | 13.500 | 11.866 | 78.999 |
| 58 | Tomoki Kaneko | University of Tsukuba | 14.066 | 13.200 | 12.766 | 13.733 | 12.433 | 12.766 | 78.964 |
| 59 | Daiki Choji | Tokushu Gymnastics Club | 13.833 | 13.166 | 12.933 | 12.500 | 13.633 | 12.666 | 78.731 |
| 60 | Hirotoshi Inoue | Nippon Sports Science University | 13.333 | 13.300 | 13.433 | 14.266 | 12.833 | 11.500 | 78.665 |
| 61 | Tetsuhei Toyosawa | Juntendo University | 12.666 | 13.233 | 12.500 | 13.933 | 13.400 | 12.833 | 78.565 |
| 62 | Chihiro Yoshioka | Central Sports | 11.533 | 13.533 | 13.600 | 13.966 | 13.533 | 12.000 | 78.165 |
| 63 | Masamichi Nakagawa | Juntendo University | 13.466 | 12.933 | 13.000 | 12.866 | 13.066 | 12.566 | 77.897 |
| 64 | Daisho Ishigawa | Seifuku High School | 13.466 | 12.800 | 12.233 | 11.266 | 14.000 | 13.766 | 77.531 |
| 65 | Hayata Sakakibara | Asahi Life | 13.133 | 11.300 | 12.833 | 14.200 | 13.866 | 12.133 | 77.465 |
| 66 | Shuga Komiya | University of Tsukuba | 13.633 | 12.500 | 12.533 | 13.500 | 13.033 | 12.100 | 77.299 |
| 67 | Shota Aoki | Sendai University | 13.866 | 10.766 | 13.066 | 13.800 | 13.200 | 10.700 | 75.398 |
| 68 | Kouki Maeda | University of Tsukuba | —— | 14.200 | 12.566 | 12.766 | 10.766 | 13.233 | 63.531 |
| 69 | Shohei Fujiwara | Sohgoh | —— | 13.700 | 13.700 | 13.266 | 12.766 | —— | 53.432 |
| 70 | Hidetaka Miyachi | Ryukyu Club | —— | —— | —— | 14.300 | —— | 14.133 | 28.433 |
| 71 | Teppei Miwa | Seifuki High School | —— | 12.133 | —— | —— | 14.033 | —— | 26.166 |