 |
 | |
| Association | Japan Ice Hockey Federation |
|---|---|
| Head coach |  Perry Pearn |
| Assistants |  Teruhiko Okita Terashima Hiroshi |
| Captain | Yuto Osawa |
| Most games | Hiroshi Sato (17) |
| Most points | Makuru Furuhashi (29) |
| IIHF code | JPN |
| First international | |
 Norway 4 - 2 Japan (Heerenveen, Netherlands; March 16, 1982) | |
| Biggest win | |
Japan 17 - 1 Iceland  (Canazei, Italy; December 13, 2007) | |
| Biggest defeat | |
 Sweden 20 - 1 Japan (Gävle, Sweden; December 30, 1992) | |
| IIHF World U20 Championship | |
| Appearances | 30 (first in 1982) |
| Best result | 8th (1993) |
| International record (W–L–T) | |
| 89-81-13 | |
The Japanese men's national under-20 ice hockey team (Japanese: アイスホッケー男子U-20日本代表 Aisuhokkē Danshi U-20 Nippon Daihyō) represents Japan at the International Ice Hockey Federation's World Junior Hockey Championship Division I.