Haydar Mirza Safavi, Safavid prince (d. 1576)
Haydar Mirza Safavi (Persian: حیدر میرزا صفوی, also spelled Haidar Mirza Safavi) was a Safavid prince, who declared himself as the king (shah) of Iran on 15 May 1576, the following day after his father Tahmasp I had died. He was, however, during the same day killed by the Qizilbash tribes that favored his brother Ismail Mirza Safavi as the successor of their father. His mother was Sultanzadeh Khanum, a Georgian lady.