Lieutenant General (ret.) Sunami Ryoji 角南良児 (July 1960 - ) is a Japanese Ground Self Defense officer.
- March 1983, Joined Japan Ground Self Defense Force.
- January 2002, Colonel.
- August 2005, Commander, 22nd Infantry Regiment.
- 28 Mar 2007, Chief, 2nd Operations Section, Operations Department, Joint Staff Office.
- 24 Mar 2009, Major General. Vice Chief of Staff, Eastern Army.
- 26 Jul 2010, Director, General Research Department, JGSDF Ground Research and Development Command.
- 5 Aug 2011, Deputy Commander, 6th Division.
- 22 Aug 2013, Chief of Staff, Middle Army.
- 4 Aug 2015, Lieutenant General. Commander, 3rd Division.
- 20 Dec 2017 retired.