Yu Kimura (木村 悠, Kimura Yū, born 23 November 1983) is a Japanese former professional boxer who competed from 2006 to 2016. He held the WBC light-flyweight title between 2015 and 2016.

Kimura Turned professional in 2006 and went 9-1-1 in his first 11 fights before being stopped by future unified light-flyweight champion Ryoichi Taguchi. He bounced back and won his next 8 fights before he defeated Pedro Guevara by split decision to win the WBC light-flyweight title on November 28, 2015.^[1] He would go on to lose the title in his first defense to Mexican challenger Ganigan Lopez via majority decision. Kimura announced his retirement from boxing a few months after the Lopez fight.^[2]

No.	Result	Record	Opponent	Type	Round, time	Date	Location	Notes
22	Loss	18–3–1	Ganigan López	MD	12	2016-03-04	Shimazu Arena, Kyoto, Japan	Lost WBC light-flyweight title
21	Win	18–2–1	Pedro Guevara	SD	12	2015-11-28	Xebio Arena, Sendai, Japan	Won WBC light-flyweight title
20	Win	17–2–1	Jesus Faro	UD	10	2015-08-01	Korakuen Hall, Tokyo, Japan
19	Win	16–2–1	Hayato Yamaguchi	TKO	8 (10)	2015-04-04	Korakuen Hall, Tokyo, Japan	Retained Japanese light-flyweight title
18	Win	15–2–1	Atsushi Aburada	TD	7 (10)	2014-11-01	Korakuen Hall, Tokyo, Japan	Retained Japanese light-flyweight title
17	Win	14–2–1	Yuki Chinen	UD	10	2014-06-07	Korakuen Hall, Tokyo, Japan	Retained Japanese light-flyweight title
16	Win	13–2–1	Kenichi Horikawa	SD	10	2014-02-01	Korakuen Hall, Tokyo, Japan	Won vacant Japanese light-flyweight title
15	Win	12–2–1	Tatsuya Fukuhara	UD	8	2013-07-06	Korakuen Hall, Tokyo, Japan
14	Win	11–2–1	Takuro Habu	TKO	5 (8)	2013-01-12	Korakuen Hall, Tokyo, Japan
13	Win	10–2–1	Kenta Motoki	UD	8	2012-06-02	Korakuen Hall, Tokyo, Japan
12	Loss	9–2–1	Ryoichi Taguchi	TKO	6 (8)	2011-10-15	Korakuen Hall, Tokyo, Japan
11	Win	9–1–1	Masayoshi Segawa	UD	6	2011-07-05	Korakuen Hall, Tokyo, Japan
10	Win	8–1–1	Masashi Uranishi	UD	8	2011-03-05	Korakuen Hall, Tokyo, Japan
9	Win	7–1–1	Yoshitomo Machida	UD	8	2010-11-08	Korakuen Hall, Tokyo, Japan
8	Win	6–1–1	Takumi Suda	UD	8	2010-08-07	Korakuen Hall, Tokyo, Japan
7	Win	5–1–1	Kenta Koyama	UD	8	2010-03-29	Korakuen Hall, Tokyo, Japan
6	Loss	4–1–1	Shin Ono	TD	5 (8)	2008-06-21	Korakuen Hall, Tokyo, Japan
5	Win	4–0–1	Kazuya Matsumoto	UD	6	2008-03-15	Korakuen Hall, Tokyo, Japan
4	Win	3–0–1	Kenta Hirose	UD	6	2007-11-03	Korakuen Hall, Tokyo, Japan
3	Draw	2–0–1	Koji Itagaki	PTS	6	2007-06-16	Korakuen Hall, Tokyo, Japan
2	Win	2–0	Takashi Morishima	UD	6	2007-01-20	Korakuen Hall, Tokyo, Japan
1	Win	1–0	Samkolek Chuwatana	KO	2 (6)	2006-10-07	Korakuen Hall, Tokyo, Japan

• List of light-flyweight boxing champions
• List of Japanese boxing world champions

• Boxing record for Yu Kimura from BoxRec (registration required)