Yaza Dewi Mwei Ohn-Naung (Burmese: ရာဇာဒေဝီ မွေ့ အုန်နောင်, pronounced [jàzà dèwì mwḛ ʔòɴ nàʊɴ]) was the chief queen consort of King Razadarit of Hanthawaddy Pegu from 1392 to 1421.
According to the Razadarit Ayedawbon chronicle, the queen was the eldest daughter of Saw Ye-Bein, a senior minister at the Hanthawaddy court.
She had two younger sisters, Mwei Auk and Mi U-Si[1] In April 1392, she was raised as the chief queen of King Razadarit, with the title of Yaza Dewi (Pali: Rājadevī).
Their paternal grandfather Binnya Thein was a noble from Chiang Mai who after a disagreement with the king of Chiang Mai had sought refuge at the court of King Binnya U.
Their paternal grandmother was Tala Saw Lun, a daughter of King Saw Zein.