Sahak III Bagratuni was an Armenian noble of the Bagratuni (Bagratid) family. He served as presiding prince of Armenia under Abbasid rule in 754–761. He was succeeded by Smbat VII Bagratuni.
. The Armenians in the Medieval Islamic World: The Arab Period in Arminiyah, Seventh to Eleventh Centuries . Seta Dadoyan . Transaction Publishers . 2011 . 9781412846523 .