|Date of birth||7 August 1980|
|Place of birth||Uki, Kumamoto, Japan|
|Height||1.84 m (6 ft 1⁄2 in)|
|1996–1998||Ōzu High School|
|2003–2010||JEF United Chiba||220||(53)|
* Senior club appearances and goals counted for the domestic league only and correct as of 23 February 2016.
Seiichiro Maki (巻 誠一郎 Maki Seiichirō?, born 7 August 1980 in Uki, Kumamoto, Japan) is a Japanese professional football player. He is a forward and currently plays for Roasso Kumamoto, and has been a member of the Japanese national football team since 2005.
He got married to former actress Tomoko Kitagawa in June 2007. His younger brother Yuki was also a professional footballer (retired in 2013). His younger sister Karina plays handball in Japan's top league (as of 2007).
Maki was a key player for Komazawa University in Tokyo along with current Nagoya Grampus player Masaki Fukai. Maki represented Japan in the 2001 summer Universiade in Beijing, contributing to their championship win by scoring 3 goals in the tournament.
After graduating from Komazama Univ. in 2003, Maki joined JEF United Ichihara. He made his first professional appearance on 22 March 2003 against Tokyo Verdy 1969. He scored his first professional goal on 2 August 2003 against Urawa Red Diamonds. For his first year at JEF, he was often used as a second-half substitute. However, in 2005 he became a starting forward for the team, and was also invited to play with the Japanese national football team for the Asian qualification tournament leading up to the 2006 World Cup. In 2006 he was selected for Japan's World Cup squad and started a match against Brazil.
|Ōzu High School||1998||-||1||0||-||-||1||0|
|JEF United Ichihara Chiba||2003||17||2||3||1||4||0||-||24||3|
1Including the A3 Champions Cup.
- Scores and results list Japan's goal tally first.
|1.||10 February 2006||SBC Park, San Francisco||United States||1–3||2–3||Friendly Match|
|2.||22 February 2006||International Stadium Yokohama, Yokohama||India||2–0||6–0||2007 AFC Asian Cup qualification|
|3.||9 May 2006||Nagai Stadium, Osaka||Bulgaria||1–1||1–2||2006 Kirin Cup|
|4.||24 March 2007||International Stadium Yokohama, Yokohama||Peru||1–0||2–0||Friendly Match (2007 Kirin Challenge Cup)|
|5.||16 July 2007||My Dinh National Stadium, Hanoi||Vietnam||1–1||4–1||2007 AFC Asian Cup|
|6.||16 July 2007||My Dinh National Stadium, Hanoi||Vietnam||4–1||4–1||2007 AFC Asian Cup|
|7.||11 November 2007||Hypo-Arena, Klagenfurt||Switzerland||2–2||4–3||Friendly Match|
|8.||6 February 2008||Saitama Stadium 2002, Saitama||Thailand||4–1||4–1||2010 FIFA World Cup qualification|
- 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. 208 out of 289)
- Japan – Seiichiro Maki – Profile with news, career statistics and history – Soccerway