The 2013 Junior Japan International was held from September 22 through September 23 in Yokohama, Japan.
All-Around Results
| Rank | Athlete | Nation | VT | UB | BB | FX | AA |
| 1 | Bailie Key | United States | 15.050 | 14.350 | 14.000 | 15.000 | 58.400 |
| 2 | Wang Yan | China | 14.950 | 13.700 | 14.700 | 13.550 | 56.900 |
| 3 | Laurie Hernandez | United States | 14.700 | 12.900 | 14.550 | 14.600 | 56.750 |
| 4 | Aleeza Yu | Canada | 14.400 | 13.400 | 14.050 | 13.950 | 55.800 |
| 5 | Andreea Munteanu | Romania | 14.100 | 12.600 | 14.450 | 14.100 | 55.250 |
| 6 | Maria Bondareva | Russia | 13.950 | 13.950 | 13.450 | 13.850 | 55.200 |
| 7 | Maria Kharenkova | Russia | 14.200 | 13.600 | 13.350 | 13.750 | 54.900 |
| 8 | Catherine Lyons | Great Britain | 14.050 | 13.150 | 13.750 | 13.850 | 54.800 |
| 9 | Kim Janas | Germany | 14.450 | 12.950 | 13.350 | 13.900 | 54.650 |
| 10 | Minami Honda | Japan | 13.900 | 11.650 | 13.950 | 13.700 | 53.200 |
| Wakana Yasui | Japan | 14.000 | 12.850 | 13.250 | 13.100 | 53.200 | |
| — | Aiko Sugihara | Japan | 14.400 | 12.450 | 12.150 | 14.050 | 53.050 |
| — | Sae Miyakawa | Japan | 14.500 | 11.250 | 12.850 | 14.150 | 52.750 |
| 12 | Andreea Iridon | Romania | 12.750 | 13.250 | 13.050 | 13.400 | 52.450 |
| 13 | Pauline Tratz | Germany | 12.550 | 13.050 | 11.500 | 12.900 | 50.000 |
| 14 | Chan Tsz Sum | Hong Kong | 12.900 | 8.300 | 10.000 | 10.550 | 41.750 |
| 15 | Kwan Sau Chung | Hong Kong | 12.550 | 7.900 | 9.850 | 11.300 | 41.600 |
| 16 | Georgia-Mae Fenton | Great Britain | —— | 13.400 | 12.750 | —— | 26.150 |
Vault Final Results
| Rank | Athlete | Nation | Total |
| 1 | Bailie Key | United States | 15.100 |
| 2 | Wang Yan | China | 14.925 |
| 3 | Laurie Hernandez | United States | 14.625 |
| 4 | Kim Janas | Germany | 14.425 |
| 5 | Sae Miyakawa | Japan | 14.200 |
| Maria Kharenkova | Russia | 14.200 | |
| 7 | Aleeza Yu | Canada | 13.200 |
| 8 | Aiko Sugihara | Japan | 12.775 |
Bars Final Results
| Rank | Athlete | Nation | Total |
| 1 | Bailie Key | United States | 14.350 |
| 2 | Andreea Iridon | Romania | 14.250 |
| 3 | Maria Bondareva | Russia | 13.850 |
| 4 | Maria Kharenkova | Russia | 13.525 |
| 5 | Wang Yan | China | 13.425 |
| 6 | Catherine Lyons | Great Britain | 13.250 |
| 7 | Georgia-Mae Fenton | Great Britain | 13.025 |
| 8 | Pauline Tratz | Germany | 11.600 |
Beam Final Results
| Rank | Athlete | Nation | Total |
| 1 | Bailie Key | United States | 14.625 |
| 2 | Andreea Munteanu | Romania | 14.450 |
| 3 | Wang Yan | China | 14.275 |
| 4 | Catherine Lyons | Great Britain | 14.100 |
| Maria Kharenkova | Russia | 14.100 | |
| 6 | Laurie Hernandez | United States | 13.475 |
| 7 | Minami Honda | Japan | 13.325 |
| 8 | Aleeza Yu | Canada | 13.025 |
Floor Final Results
| Rank | Athlete | Nation | Total |
| 1 | Bailie Key | United States | 14.800 |
| 2 | Andreea Munteanu | Romania | 14.375 |
| 3 | Sae Miyakawa | Japan | 14.350 |
| 4 | Laurie Hernandez | United States | 13.725 |
| 5 | Kim Janas | Germany | 13.675 |
| 6 | Aiko Sugihara | Japan | 13.375 |
| 7 | Catherine Lyons | Great Britain | 13.325 |
| 8 | Aleeza Yu | Canada | 12.850 |
