| Dates: | 14–19 November |
| Number Edition: | 1st |
| Level: | G2L4 |
| Prize Money: | 420000 |
| Venue: | Kumamoto Prefectural Gymnasium |
| Location: | Kumamoto, Japan |
| Ms: | Viktor Axelsen |
| Country Ms: | DEN |
| Ws: | Gregoria Mariska Tunjung |
| Country Ws: | INA |
| Md1: | He Jiting |
| Country Md1: | CHN |
| Md2: | Ren Xiangyu |
| Country Md2: | CHN |
| Wd1: | Zhang Shuxian |
| Country Wd1: | CHN |
| Wd2: | Zheng Yu |
| Country Wd2: | CHN |
| Xd1: | Zheng Siwei |
| Country Xd1: | CHN |
| Xd2: | Huang Yaqiong |
| Country Xd2: | CHN |
| Next: | 2024 |
The 2023 Japan Masters (officially known as the Kumamoto Masters Japan 2023) was a badminton tournament that took place at Kumamoto Prefectural Gymnasium in Kumamoto, Japan, from 14 to 19 November 2023 and had a total prize of $420,000.
The 2023 Japan Masters was the thirty-second tournament of the 2023 BWF World Tour and was also the inaugural edition of Japan Masters championship. This tournament was organized by the Nippon Badminton Association with sanction from the BWF.[1]
This tournament was held at Kumamoto Prefectural Gymnasium in Kumamoto, Japan.[1]
Below is the point distribution table for each phase of the tournament based on the BWF points system for the BWF World Tour Super 500 event.[2]
The total prize money is US$420,000 with the distribution of the prize money in accordance with BWF regulations.[1]
| Event | Winner | Finalist | Semi-finals | Quarter-finals | Last 16 | |
| Singles | $31,500 | $15,960 | $6,090 | $2,520 | $1,470 | |
| Doubles | $33,180 | $15,960 | $5,880 | $3,045 | $1,575 |
Kodai Naraoka (second round)
Shi Yuqi (final)
Kunlavut Vitidsarn (withdrew)
Prannoy H. S. (second round)
Loh Kean Yew (first round)
An Se-young (semi-finals) Akane Yamaguchi (withdrew) Chen Yufei (final)
Carolina Marín (quarter-finals)
Beiwen Zhang (semi-finals) P. V. Sindhu (withdrew) Satwiksairaj Rankireddy / Chirag Shetty (first round) Liang Weikeng / Wang Chang (withdrew) Kang Min-hyuk / Seo Seung-jae (second round) Takuro Hoki / Yugo Kobayashi (quarter-finals) Liu Yuchen / Ou Xuanyi (final) Chen Qingchen / Jia Yifan (first round) Baek Ha-na / Lee So-hee (withdrew) Kim So-yeong / Kong Hee-yong (first round) Yuki Fukushima / Sayaka Hirota (first round) Nami Matsuyama / Chiharu Shida (first round) Zhang Shuxian / Zheng Yu (champions) Mayu Matsumoto / Wakana Nagahara (semi-finals) Zheng Siwei / Huang Yaqiong (champions) Yuta Watanabe / Arisa Higashino (semi-finals) Feng Yanzhe / Huang Dongping (final) Seo Seung-jae / Chae Yoo-jung (semi-finals) Jiang Zhenbang / Wei Yaxin (quarter-finals) Kim Won-ho / Jeong Na-eun (second round)
Thom Gicquel / Delphine Delrue (withdrew)