ジャパンカップ・チームランキング
| Rank | Club | Region |
| 1 | Alpha Quashers Yokohama | South Kanto |
| 2 | Ceylon XI* | North Kanto |
| 3 | Tigers | South Kanto |
| 4 | Men In Blue | East Kanto |
| 5 | Indian Engineers | South Kanto |
| 6 | Kobe Hawks | Kansai |
| 7 | University XI | West Kanto |
| 8 | Tsukuba | East Kanto |
| 9 | Wyverns | West Kanto |
| 10 | Shiga Kyoto* | Kansai |
| 11 | Tokyo Rhinos | West Kanto |
| 12 | Sano | North Kanto |
| 13 | Keihan Blaze | Kansai |
| 14 | Tokyo Rangers | East Kanto |
| 15 | Tokyo Falcons | East Kanto |
| 16 | Nagoya Bengal Tigers* | Tokai |
| 17 | Tokyo Wombats | South Kanto |
| 18 | Beans | West Kanto |
| 19 | Chiba Sharks | East Kanto |
| 20 | Osaka Raiders | Kansai |
| 21 | Ebina Lions | Tokai |
| 22 | YC&AC | South Kanto |
| 23 | Rising Stars | East Kanto |
| 24 | Sendai | Tohoku |
| 25 | Rakuten* | North Kanto |
| 26 | Fuji* | Tokai |
| 27 | Sendai Lions | Tohoku |
| 28 | Adore | West Kanto |
| 29 | Keio Knights | South Kanto |
| 30 | Tokyo Titans | North Kanto |
| 31 | Kansai Tigers | Kansai |
| 32 | British Embassy | South Kanto |
| 33 | Aoyama Gakuin | South Kanto |
| 34 | Akishima Aviators | West Kanto |
| 35 | GIIS* | North Kanto |
| 36 | Uenomiya* | Kansai |
| 37 | Aichi Warriors | Tokai |
| 37 | AQ Kings | Tokai |
| 37 | Jaggar Falcons | East Kanto |
| 37 | Kaizuka Aegirs | Kansai |
| 37 | Kawasaki Knight Riders | Tokai |
| 37 | Kawasaki Strikers | West Kanto |
| 37 | MIB Chellengers | East Kanto |
| 37 | Osaka Lions | Kansai |
| 37 | Osaka Royal Tigers | Kansai |
| 37 | Pakistan Stars | North Kanto |
| 37 | Roaring Tigers | North Kanto |
| 37 | Serendib | West Kanto |
| 37 | Sultans of Japan | North Kanto |
Updated July 1st, 2020
*Teams not participating in 2020 due to COVID-19
**Teams with unpaid fees have been removed from the rankings table
