The 2021 All-Japan Junior Championships were held from August 12 through August 17 in Yokohama, Japan.
All-Around Results
| Rank | Athlete | Club | VT | UB | BB | FX | AA |
| 1 | Watanabe Hazuki | Chukyo Gymnastics | 13.900 | 13.400 | 13.500 | 12.800 | 53.600 |
| 2 | Sonezaki Shizuku | Tosu Gymnastics | 14.533 | 13.500 | 12.633 | 12.933 | 53.599 |
| 3 | Kokufugata Azuki | GymNet | 13.900 | 13.033 | 13.233 | 13.300 | 53.466 |
| 4 | Serita Mikako | Kano Gymnastics | 13.666 | 14.200 | 13.133 | 12.466 | 53.465 |
| 5 | Okamura Mana | Sohgoh Gymnastics | 13.433 | 13.466 | 13.533 | 12.900 | 53.332 |
| 6 | Matsuda Touwa | Namba Gymnastics | 14.266 | 13.700 | 13.100 | 12.166 | 53.232 |
| 7 | Kasahara Arisa | Let’s Gymnastics | 13.500 | 13.433 | 12.600 | 12.800 | 52.333 |
| 8 | Kodama Yumiko | Kano Gymnastics | 13.400 | 13.466 | 12.166 | 12.266 | 51.298 |
| 9 | Nakashima Karin | Let’s Gymnastics | 13.333 | 14.000 | 11.966 | 11.800 | 51.099 |
| 10 | Gondo Hono | Cartwheel Gymnastics | 14.633 | 11.466 | 12.233 | 12.666 | 50.998 |
| 11 | Ushioku Kohane | Let’s Gymnastics | 14.166 | 11.900 | 12.066 | 12.800 | 50.932 |
| 12 | Hoshi Yuka | Sohgoh Gymnastics | 14.000 | 11.666 | 12.766 | 12.166 | 50.598 |
| 13 | Takezawa Kaoruko | Yamanashi Junior | 13.400 | 11.100 | 13.400 | 12.666 | 50.566 |
| 14 | Yamaguchi Sara | Cartwheel Gymnastics | 13.200 | 10.533 | 13.833 | 12.700 | 50.266 |
| 15 | Kusumoto Hima | Tomioka Gymnastics | 13.466 | 11.400 | 13.500 | 11.766 | 50.132 |
| 16 | Makibayashi Rin | Let’s Gymnastics | 13.266 | 13.400 | 11.666 | 11.766 | 50.098 |
| 17 | Nishida Yasunaga | Next Gymnastics | 13.300 | 12.466 | 12.733 | 11.533 | 50.032 |
| 18 | Aoki Megumi | Kano Gymnastics | 13.466 | 12.766 | 11.866 | 11.900 | 49.998 |
| 19 | Tajima Yamabuki | Tosu Gymnastics | 14.800 | 12.500 | 10.900 | 11.700 | 49.900 |
| 20 | Motomiya Kana | Toda City Sports Center | 13.733 | 11.833 | 11.933 | 12.300 | 49.799 |
| 21 | Mineno Aoiko | OKB Gymnastics | 13.700 | 12.000 | 11.566 | 12.400 | 49.666 |
| 22 | Nakai Anna | Chukyo Gymnastics | 13.066 | 12.233 | 12.200 | 12.166 | 49.665 |
| 23 | Kizaki Nono | Sabae Gymnastics | 13.700 | 12.366 | 11.633 | 11.900 | 49.599 |
| 24 | Nakaguchi Sakura | Wakayama Junior | 13.433 | 11.466 | 12.733 | 11.866 | 49.498 |
| 25 | Takagi Ran | Sohgoh Gymnastics | 12.133 | 13.900 | 11.666 | 11.733 | 49.432 |
| 26 | Ishibashi Moe | Tsurumi Junior | 13.333 | 11.533 | 12.633 | 11.900 | 49.399 |
| 27 | Tokutsugi Ayu | Dinamo Gymnastics | 13.366 | 13.566 | 10.133 | 12.266 | 49.331 |
| 28 | Yamato Himari | Saints Gymnastics | 13.266 | 11.800 | 12.066 | 12.033 | 49.165 |
| 29 | Kawakami Saki | Zero Gymnastics | 13.333 | 11.400 | 11.966 | 12.400 | 49.099 |
| 30 | Yatabe Kibo | Toda City Sports Center | 13.600 | 11.533 | 12.433 | 11.433 | 48.999 |
| 31 | Kotani Mitsuha | Toda City Sports Center | 12.166 | 11.533 | 12.733 | 12.433 | 48.865 |
| 32 | Yamada Haruki | GymNet | 13.433 | 12.000 | 11.733 | 11.666 | 48.832 |
| 33 | Kato Rin | Let’s Gymnastics | 13.233 | 12.066 | 11.200 | 12.266 | 48.765 |
| 34 | Omomo Wakame | Yowa Gymnastics | 12.733 | 12.700 | 11.833 | 11.466 | 48.732 |
| 35 | Matsunaga Arisa | Hagoromo Gymnastics | 13.233 | 11.300 | 12.266 | 11.900 | 48.699 |
| 36 | Doi Koharu | Shitennoji Sports Club | 13.533 | 11.900 | 12.133 | 10.966 | 48.532 |
| 37 | Onouchi Karin | Narawa Gymnastics | 13.366 | 11.733 | 11.833 | 11.566 | 48.498 |
| 38 | Nagata Yoshihiro | Kano Gymnastics | 13.233 | 11.366 | 12.366 | 11.500 | 48.465 |
| 39 | Nakamura Haruka | Namba Gymnastics | 12.733 | 11.566 | 12.133 | 11.966 | 48.398 |
| 40 | Muraki Riru | IM Gymnastics | 12.966 | 11.600 | 11.900 | 11.900 | 48.366 |
| 41 | Ishikawa Yuna | Cartwheel Gymnastics | 13.200 | 10.833 | 12.266 | 11.900 | 48.199 |
| 42 | Kishi Rina | Toda City Sports Center | 12.833 | 10.966 | 12.433 | 11.966 | 48.198 |
| 43 | Omura Ruri | Chukyo Gymnastics | 12.900 | 11.066 | 12.200 | 12.000 | 48.166 |
| 44 | Matsubara Hinata | MTS | 12.133 | 11.066 | 12.933 | 11.966 | 48.098 |
| 45 | Honda Sayaka | Namba Gymnastics | 13.233 | 12.500 | 11.400 | 10.933 | 48.066 |
| 46 | Kuroki Miyu | Shitennoji Sports Club | 13.433 | 11.866 | 10.700 | 11.566 | 47.565 |
| 47 | Mizuno Mika | Cartwheel Gymnastics | 13.300 | 9.533 | 11.966 | 12.700 | 47.499 |
| 48 | Inoue Mio | Shitennoji Sports Club | 13.200 | 10.633 | 11.733 | 11.900 | 47.466 |
| 49 | Maetani Kotoha | Asahi Life | 13.366 | 11.533 | 11.466 | 10.900 | 47.265 |
| 50 | Miyamoto Akira | Tamagawa Gymnastics | 13.266 | 12.433 | 10.633 | 10.833 | 47.165 |
| 51 | Monzen Chisato | Namba Gymnastics | 12.800 | 11.500 | 10.900 | 11.866 | 47.066 |
| 52 | Masui Misaki | Kobe Junior | 12.866 | 9.333 | 12.800 | 12.000 | 46.999 |
| 53 | Nakamura Ruka | Tsurumi Junior | 13.066 | 12.000 | 10.200 | 11.700 | 46.966 |
| 54 | Abe Kanon | Narawa Gymnastics | 13.366 | 11.233 | 11.800 | 10.500 | 46.899 |
| Katsuno Sanatsu | GymNet | 13.300 | 11.733 | 10.833 | 11.033 | 46.899 | |
| 56 | Igusa Himawari | Kirameki Gymnastics | 13.333 | 10.766 | 11.500 | 11.200 | 46.799 |
| Asato Remi | Orion Sports Club | 13.133 | 11.600 | 11.033 | 11.033 | 46.799 | |
| 58 | Hagiwara Natsumi | Kirameki Gymnastics | 13.200 | 11.766 | 10.966 | 10.866 | 46.798 |
| 59 | Okada Ami | Sohgoh Gymnastics | 12.466 | 10.733 | 12.266 | 11.233 | 46.698 |
| 60 | Wakayama Kyoka | Kano Gymnastics | 12.466 | 11.833 | 11.366 | 10.900 | 46.565 |
| 61 | Kanayama Kotomi | Toda City Sports Center | 12.566 | 11.533 | 11.100 | 11.266 | 46.465 |
| 62 | Okamoto Ayaka | Tsurumi Junior | 12.833 | 11.400 | 11.333 | 10.866 | 46.432 |
| 63 | Suzuki Miyu | Shitennoji Sports Club | 12.966 | 11.066 | 11.466 | 10.933 | 46.431 |
| 64 | Higashiyama Itoi | Hirosaki Gakuin | 13.433 | 10.200 | 11.333 | 11.366 | 46.332 |
| Kigawa Noaya | Takeda Gymnastics | 11.933 | 10.833 | 12.066 | 11.500 | 46.332 | |
| 66 | Aoki Miune | Tomioka Gymnastics | 13.366 | 10.566 | 10.766 | 11.533 | 46.231 |
| 67 | Takeuchi Airi | Shitennoji Sports Club | 12.500 | 11.966 | 11.033 | 10.700 | 46.199 |
| 68 | Sugioka Itsuki | Volare Gymnastics | 13.000 | 11.133 | 11.433 | 10.600 | 46.166 |
| 69 | Matsuda Rina | Hirosaki Gakuin | 13.266 | 9.733 | 11.033 | 12.100 | 46.132 |
| 70 | Kawakami Yasushi | Nagaoka Gymnastics | 13.166 | 9.333 | 12.400 | 11.166 | 46.065 |
| 71 | Momii Nonoka | Tosu Gymnastics | 13.200 | 12.000 | 9.566 | 11.266 | 46.032 |
| 72 | Hamada Saki | Miyazaki Gymnastics | 13.633 | 10.533 | 11.033 | 10.766 | 45.965 |
| 73 | Nakahama Shiori | Zero Gymnastics | 12.966 | 10.866 | 10.900 | 11.166 | 45.898 |
| 74 | Masui Minami | Mizufune Gymnastics | 13.266 | 10.466 | 11.200 | 10.900 | 45.832 |
| Shiraishi Ryoko | Green College | 12.033 | 11.766 | 10.500 | 11.533 | 45.832 | |
| 76 | Yumi Wakano | Tosu Gymnastics | 13.400 | 9.033 | 11.433 | 11.833 | 45.699 |
| 77 | Okada Mayumi | Rainbow Gymnastics | 13.300 | 11.366 | 10.533 | 10.466 | 45.665 |
| 78 | Muneshige Kanade | Namba Gymnastics | 11.900 | 10.500 | 11.633 | 11.600 | 45.633 |
| 79 | Kumakawa Minori | Zero Gymnastics | 11.966 | 10.633 | 11.500 | 11.533 | 45.632 |
| 80 | Nakai Ayato | Kano Gymnastics | 11.933 | 11.700 | 10.866 | 11.100 | 45.599 |
| 81 | Yukawa Rita | Cartwheel Gymnastics | 11.366 | 10.700 | 11.800 | 11.700 | 45.566 |
| 82 | Kariya Amane | Chukyo Gymnastics | 13.066 | 9.800 | 11.500 | 11.066 | 45.432 |
| 83 | Yamazaki Koto | Sabae Gymnastics | 13.100 | 10.766 | 10.966 | 10.200 | 45.032 |
| Fuwa Noei | Asahi Life | 12.600 | 10.666 | 11.233 | 10.533 | 45.032 | |
| 85 | Koga Airi | Let’s Gymnastics | 11.933 | 12.366 | 11.300 | 9.400 | 44.999 |
| 86 | Okura Yuri | Asahi Life | 11.600 | 9.633 | 11.733 | 11.966 | 44.932 |
| 87 | Mori Yumeka | Zero Gymnastics | 12.266 | 11.033 | 11.333 | 10.233 | 44.865 |
| 88 | Bessho Mishira | Sohgoh Gymnastics | 13.033 | 9.433 | 11.033 | 11.333 | 44.832 |
| 89 | Osone Aoi | Tokiwa Club | 11.966 | 11.766 | 11.033 | 10.000 | 44.765 |
| Iwata Nanami | Tsurumi Junior | 12.033 | 11.066 | 10.833 | 10.833 | 44.765 | |
| 91 | Sugawara Konoha | Tokiwa Club | 13.566 | 9.133 | 10.933 | 11.100 | 44.732 |
| 92 | Kawakami Mei | Dream Gymnastics | 12.933 | 9.933 | 11.133 | 10.400 | 44.399 |
| 93 | Manami Tsuta | Shitennoji Sports Club | 12.866 | 11.300 | 9.700 | 10.500 | 44.366 |
| 94 | Banba Sari | Asahi Life | 13.233 | 9.433 | 10.733 | 10.933 | 44.332 |
| 95 | Kirihara Fuuno | GymNet | 13.500 | 9.766 | 10.766 | 10.166 | 44.198 |
| 96 | Saito Saho | Zero Gymnastics | 12.433 | 10.533 | 10.600 | 10.533 | 44.099 |
| 97 | Saito Nanohana | Wakayama Junior | 13.000 | 9.100 | 10.800 | 11.166 | 44.066 |
| 98 | Oguri Honoka | Cartwheel Gymnastics | 11.833 | 10.500 | 11.466 | 10.233 | 44.032 |
| 99 | Hirata Noa | Asahi Life | 11.966 | 9.166 | 11.466 | 11.333 | 43.931 |
| 100 | Koike Natsuki | Tokiwagi Gakuen | 11.300 | 11.200 | 10.333 | 11.033 | 43.866 |
| 101 | Sako Himari | Zero Gymnastics | 12.933 | 11.366 | 8.700 | 10.800 | 43.799 |
| Eguchi Haruka | Kitakyushu Junior | 10.900 | 11.833 | 11.533 | 9.533 | 43.799 | |
| Minami Ryoka | Wakayama Junior | 12.533 | 10.000 | 10.500 | 10.766 | 43.799 | |
| 104 | Yoshizawa Momoe | GymNet | 13.266 | 9.633 | 9.666 | 11.200 | 43.765 |
| 105 | Masaki Hana | Dream Gymnastics | 11.966 | 10.833 | 10.433 | 10.400 | 43.632 |
| 106 | Umeda Tsuyoshi | Central Sports | 12.866 | 10.766 | 10.033 | 9.966 | 43.631 |
| 107 | Goto Konoka | Joy Sports Club | 12.100 | 11.200 | 10.000 | 10.300 | 43.600 |
| 108 | Kawaguchi Kai | GymNet | 12.800 | 9.566 | 10.266 | 10.966 | 43.598 |
| 109 | Kito Haruna | Chukyo Gymnastics | 12.033 | 11.000 | 10.400 | 10.133 | 43.566 |
| 110 | Seki Sakiyo | Next Gymnastics | 12.433 | 11.133 | 10.033 | 9.766 | 43.365 |
| 111 | Tabata Airei | Hirosaki Gakuin | 11.966 | 9.300 | 11.033 | 11.033 | 43.332 |
| 112 | Suzuki Kome | Tokiwa Club | 11.966 | 10.933 | 9.400 | 10.933 | 43.232 |
| 113 | Watanabe Mitsutomo | Seibo Gakuen | 13.000 | 9.333 | 9.966 | 10.900 | 43.199 |
| 114 | Ueda Riko | Tsurumi Junior | 11.166 | 10.766 | 10.000 | 11.066 | 42.998 |
| 115 | Koga Himawari | Tosu Gymnastics | 12.100 | 9.700 | 10.233 | 10.766 | 42.799 |
| 116 | Okanisi Sakisai | Tomioka Gymnastics | 11.966 | 10.566 | 9.200 | 10.966 | 42.698 |
| 117 | Nara Kuan | Central Sports | 11.966 | 10.233 | 9.933 | 10.500 | 42.632 |
| 118 | Matsumoto Marina | Tokiwagi Gakuen | 11.300 | 10.600 | 11.333 | 9.300 | 42.533 |
| 119 | Hosaka Koharu | Hirosaki Gakuin | 11.900 | 10.233 | 9.900 | 10.466 | 42.499 |
| 120 | Kubota Rion | Space Himeji | 12.400 | 11.366 | 10.433 | 8.166 | 42.365 |
| 121 | Kimura Utako | Asahi Life | 11.600 | 9.966 | 10.133 | 10.533 | 42.232 |
| 122 | Hirai Miu | Wakayama Junior | 12.766 | 8.900 | 9.766 | 10.666 | 42.098 |
| 123 | Yamazaki Hitomi | Soseikan Club | 12.800 | 8.700 | 10.400 | 10.166 | 42.066 |
| 124 | Hinoki Konoka | Wakayama Junior | 12.000 | 8.833 | 10.466 | 10.766 | 42.065 |
| Shigematsu Riho | Tosu Gymnastics | 11.966 | 10.033 | 9.666 | 10.400 | 42.065 | |
| 126 | Hosokawa Kotomi | Rainbow Gymnastics | 12.033 | 11.200 | 10.600 | 8.200 | 42.033 |
| 127 | Mukoda Momoka | Dinamo Gymnastics | 13.233 | 12.500 | 7.733 | 8.400 | 41.866 |
| 128 | Yoshiga Tomosaki | Seibo Gakuen | 12.833 | 8.200 | 10.533 | 10.100 | 41.666 |
| 129 | Kato Haruka | Orion Sports Club | 12.100 | 9.966 | 10.833 | 8.433 | 41.332 |
| 130 | Kawasaki Mihiro | Tokiwa Club | 12.433 | 10.566 | 9.633 | 8.466 | 41.098 |
| 131 | Fujimoto Mayu | Fuji Sports Club | 12.400 | 9.500 | 8.766 | 10.333 | 40.999 |
| 132 | Shintani Asari | Showa Gakuin | 12.500 | 8.566 | 9.800 | 10.100 | 40.966 |
| 133 | Ono Kyoko | Showa Gakuin | 13.400 | 10.066 | 6.833 | 10.666 | 40.965 |
| 134 | Takahara Nako | Space Himeji | 11.366 | 9.300 | 10.533 | 9.700 | 40.899 |
| 135 | Matsuda Himekazu | Tomioka Gymnastics | 12.566 | 8.000 | 10.033 | 10.166 | 40.765 |
| 136 | Saito Aika | Hirosaki Gakuin | 11.966 | 8.733 | 9.866 | 9.566 | 40.131 |
| 137 | Ikeda Youka | Tamagawa Gymnastics | 11.166 | 8.400 | 9.833 | 10.266 | 39.665 |
| 138 | Koga Yuika | Tomioka Gymnastics | 12.000 | 10.933 | 7.366 | 9.166 | 39.465 |
| 139 | Ito Miu | Rainbow Gymnastics | 12.000 | 9.633 | 7.300 | 9.766 | 38.699 |
| 140 | Ueda Mitsuru | Seibo Gakuen | 12.800 | 5.100 | 9.400 | 10.600 | 37.900 |
| 141 | Suzuki Nozomi | Sohgoh Gymnastics | 12.566 | —— | 11.500 | 11.700 | 35.766 |
| 142 | Takada Airi | Hirosaki Gakuin | 11.966 | 7.600 | 7.766 | 8.366 | 35.698 |
| 143 | Sugasawa Moeka | Tokiwa Club | 11.733 | 7.566 | 8.166 | 7.833 | 35.298 |
| 144 | Sato Hana | Tokiwagi Gakuen | 12.100 | 5.066 | 8.633 | 9.066 | 34.865 |
| 145 | Hayashi Yume | Namba Gymnastics | 12.133 | 10.666 | 11.933 | —— | 34.732 |
| 146 | Okumura Imai | Tomioka Gymnastics | 11.933 | —— | 6.666 | 9.000 | 27.599 |
| 147 | Sugioka Yuki | Tsurumi Junior | —— | 11.933 | 9.833 | —— | 21.766 |
| 148 | Mizumura Rino | Takeda Gymnastics | —— | 11.633 | —— | —— | 11.633 |
| 149 | Hirakawa Sae | Toda City Sports Center | —— | 10.766 | —— | —— | 10.766 |
| 150 | Usui Yumeme | Tokiwagi Gakuen | —— | 10.700 | —— | —— | 10.700 |
| 151 | Furuhashi Ba | Tokiwa Club | —— | 9.900 | —— | —— | 9.900 |