Vice Admiral (ret.) Doman Seiichi 道満誠一 (February 1960 - ) is a Japanese Maritime Self Defense officer.
- March 1982, Joined Japan Maritime Self Defense Force.
- January 2001, Captain.
- August 2004, Commanding officer, Submarine Division 1.
- 20 Dec 2005, Leader, Intelligence Security Office, Intelligence Section, Intelligence Department, Maritime Staff Office.
- 27 Mar 2006, Leader, Intelligence Security Office, Intelligence Section, C4I Department, Maritime Staff Office.
- 1 Dec 2008, Chief, Education Section, Personnel and Education Department, Maritime Staff Office.
- 26 Jul 2010, Rear Admiral. Chief of Staff, Ominato District.
- 26 Jul 2012, Director, Administration Department, Maritime Staff Office.
- 28 Mar 2014, Inspector General, Maritime Staff Office.
- 4 Aug 2015, Vice Admiral. Commander, Fleet Submarine Force.
- 22 Dec 2016 Commandant, Yokosuka District.
- 27 Mar 2018 retired.
|Commander, Fleet Submarine Force
4 Aug 2015 - 22 Dec 2016
| Succeeded by|
|Commandant, Yokosuka District
22 Dec 2016 - present