Japan men's national under-19 basketball team

Japan
FIBA zoneFIBA Asia
National federationJapan Basketball Association
CoachKenichi Sako
U19 World Cup
Appearances5
MedalsNone
U18 Asia Cup
Appearances25
Medals Gold: 1 (1990)
Silver: 3 (1970, 2016, 2022)
Bronze: 2 (1996, 1998)

The Japan men's national under-18 and under-19 basketball team is a national basketball team of Japan, administered by the Japan Basketball Association. It represents the country in international under-18 and under-19 men's basketball competitions.

At the 2017 FIBA Under-19 World Cup, Japan finished 10th, ahead of every competitor from FIBA Oceania, FIBA Asia and FIBA Africa.

Prominent members had been Rui Hachimura and also Kai Toews and Isaiah Murphy. Murphy played with his Japanese name Shinsaku Enomoto.