| Player | Pos | Age | Team | Ground | Date | Match | |
|---|---|---|---|---|---|---|---|
| W Murata | SH | 33y 143d | Japan | Tokyo | 17 Jun 2001 | Details | |
| PT Tuidraki | (W) | 31y 323d | Japan | Tokyo | 17 Jun 2001 | Details | |
| T Matsuda | FB | 31y 41d | Japan | Osaka | 10 Jun 2001 | Details | |
| T Ito | (BR) | 30y 67d | Japan | Tokyo | 17 Jun 2001 | Details | |
| Y Motoki | C | 29y 294d | Japan | Tokyo | 17 Jun 2001 | Details | |
| T Masuho | W | 29y 139d | Japan | Tokyo | 17 Jun 2001 | Details | |
| S Hasegawa | P | 29y 78d | Japan | Tokyo | 17 Jun 2001 | Details | |
| M Sakata | H | 28y 204d | Japan | Tokyo | 17 Jun 2001 | Details | |
| H Tanuma | L | 28y 24d | Japan | Tokyo | 17 Jun 2001 | Details | |
| K Koizumi | F | 28y 8d | Japan | Tokyo | 17 Jun 2001 | Details | |
| ALP Lewis | H | 28y 4d | Wales | Tokyo | 17 Jun 2001 | Details | |
| Y Sonoda | (SH) | 27y 340d | Japan | Osaka | 10 Jun 2001 | Details | |
| G Lewis | N8 | 27y 156d | Wales | Tokyo | 17 Jun 2001 | Details | |
| AP Moore | L | 27y 143d | Wales | Tokyo | 17 Jun 2001 | Details | |
| G Thomas | C | 26y 327d | Wales | Tokyo | 17 Jun 2001 | Details | |
| C Stephens | (L) | 26y 82d | Wales | Tokyo | 17 Jun 2001 | Details | |
| JC Quinnell | L | 25y 343d | Wales | Tokyo | 17 Jun 2001 | Details | |
| BR Evans | (P) | 25y 314d | Wales | Osaka | 10 Jun 2001 | Details | |
| PAR Durston | C | 25y 232d | Wales | Tokyo | 17 Jun 2001 | Details | |
| NJ Budgett | F | 25y 227d | Wales | Tokyo | 17 Jun 2001 | Details | |
| K Iwabuchi | FH | 25y 169d | Japan | Tokyo | 17 Jun 2001 | Details | |
| K Kubo | F | 25y 155d | Japan | Tokyo | 17 Jun 2001 | Details | |
| JE Ringer | (BR) | 25y 150d | Wales | Tokyo | 17 Jun 2001 | Details | |
| H Sugawara | F | 25y 125d | Japan | Osaka | 10 Jun 2001 | Details | |
| H Nanba | C | 24y 344d | Japan | Tokyo | 17 Jun 2001 | Details | |
| CT Anthony | P | 24y 329d | Wales | Tokyo | 17 Jun 2001 | Details | |
| M Toyoyoma | P | 24y 303d | Japan | Tokyo | 17 Jun 2001 | Details | |
| A Kato | (H) | 24y 265d | Japan | Osaka | 10 Jun 2001 | Details | |
| ID Thomas | P | 24y 184d | Wales | Tokyo | 17 Jun 2001 | Details | |
| KA Morgan | FB | 24y 114d | Wales | Tokyo | 17 Jun 2001 | Details | |
| SM Williams | W | 24y 111d | Wales | Tokyo | 17 Jun 2001 | Details | |
| S Jones | (H) | 24y 51d | Wales | Osaka | 10 Jun 2001 | Details | |
| Y Saito | N8 | 24y 50d | Japan | Tokyo | 17 Jun 2001 | Details | |
| J Akune | (L) | 24y 12d | Japan | Tokyo | 17 Jun 2001 | Details | |
| GM Thomas | F | 23y 238d | Wales | Tokyo | 17 Jun 2001 | Details | |
| SM Jones | FH | 23y 191d | Wales | Tokyo | 17 Jun 2001 | Details | |
| LTS Vatuvei | L | 23y 191d | Japan | Tokyo | 17 Jun 2001 | Details | |
| H Onozawa | FB | 23y 80d | Japan | Tokyo | 17 Jun 2001 | Details | |
| T Kurihara | W | 22y 309d | Japan | Tokyo | 17 Jun 2001 | Details | |
| S Onishi | FH | 22y 204d | Japan | Osaka | 10 Jun 2001 | Details | |
| GJ Cooper | SH | 22y 41d | Wales | Tokyo | 17 Jun 2001 | Details | |
| E Yamamoto | (N8) | 21y 263d | Japan | Osaka | 10 Jun 2001 | Details | |
| MA Jones | W | 21y 215d | Wales | Osaka | 10 Jun 2001 | Details | |
| TGL Shanklin | W | 21y 205d | Wales | Tokyo | 17 Jun 2001 | Details | |
| JP Robinson | (W) | 21y 71d | Wales | Tokyo | 17 Jun 2001 | Details | |
| N Oto | C | 21y 25d | Japan | Osaka | 10 Jun 2001 | Details | |
| A Lloyd | F | 20y 62d | Wales | Osaka | 10 Jun 2001 | Details | |
| R Yamamura | (P) | 19y 312d | Japan | Tokyo | 17 Jun 2001 | Details | |
| DJ Peel | (SH) | 19y 290d | Wales | Tokyo | 17 Jun 2001 | Details | |
| GL Henson | (UB) | 19y 129d | Wales | Osaka | 10 Jun 2001 | Details |
Only the player's most recent appearance listed
| Records include the following current or recent matches: |
|
Japan v Wales at Tokyo, 2nd Test, Jun 17, 2001 [30-53 FT] |
|
Japan v Wales at Osaka, 1st Test, Jun 10, 2001 [10-64 FT] |
