Homma playing for Albirex Niigata in 2010
|Full name||Isao Homma|
|Date of birth||April 19, 1981|
|Place of birth||Nakajo, Niigata, Japan|
|Height||1.72 m (5 ft 8 in)|
|Playing position||Defensive Midfielder|
|1997–1999||Narashino High School|
* Senior club appearances and goals counted for the domestic league only and correct as of 23 February 2016.
Homma was born in Nakajo, a small town in the Kitakanbara District. He began to play youth team football at the age of 8, with Nakajo Junior Soccer Club. In 1997, he entered Narashino High School in Chiba Prefecture and chose to play for the school. His school team won the prefectural tournament in 1998.
Homma began his professional career with Albirex Niigata in 2000. He made his professional debut on 5 May 2000, in a J. League Division 2 match against Mito HollyHock. Three days later, he scored his first professional goal in a 2–1 away victory over Shonan Bellmare. Homma finished his rookie campaign with 31 total appearances and three goals. However, he spent the next few years trying to break into the first team, spending most of his time as a substitute.
In the 2009 season, he was one of the most important players of Jun Suzuki's team. As team usually deployed a 4–3–3 formation, he usually played as a central/defensive midfielder. He succeeded in retaining his place in the team, making 42 total appearances in the 2009 season.
At the start of the 2010 season Homma was selected as the new captain of Albirex Niigata.
|Club||season||League||Emperor's Cup||J. League Cup||Total|
- "本間 勲：栃木ＳＣ：Ｊリーグ.jp". jleague.jp. Retrieved 2016-09-28.
- 高校サッカー（千葉） (in Japanese). High School soccer datasite. Retrieved 14 February 2012.
- "Players : 2012 J.League Division1 Albirex Niigata". J. League. Retrieved 14 February 2012.
- 開幕直前！36クラブ別戦力分析レポート：新潟 (in Japanese). J's goal. 2 March 2009. Retrieved 14 February 2012.
- 新潟：新体制発表記者会見での質疑応答 (in Japanese). J's goal. 21 January 2010. Retrieved 14 February 2012.
- Nippon Sports Kikaku Publishing inc./日本スポーツ企画出版社, "2016J1&J2&J3選手名鑑", 10 February 2016, Japan, ISBN 978-4905411338 (p. 253 out of 289)
- "Stats Centre: Isao Homma Facts". Guardian.co.uk. Retrieved 2009-09-03.