Hasan Beg Rumlu (Persian: حسن بیگ روملو, 1530 or 1531 – c. 1578) was a 16th-century Safavid historian and military officer.
[1] Though a military officer, Hasan Beg "received the sort of training that was typical of a Persian administrator and bureaucrat".
The last military episode in which Hasan Beg reports his own involvement was Tahmasp I's battle against the Ardalan Kurds in 1550.
[1] Though Hasan Beg does not mention his involvement in succession matters after the death of Tahmasp I, contemporary author Abd-ol-Hossein Nava'i suggests that Hasan Beg sided with the other Rumlu's, who sought to install Prince Ismail Mirza (later known regnally as Ismail II; r. 1576–1577) on the throne and who were adversaries of the pro-Haydar Mirza camp.
When Ismail II died in 1577, Hasan Beg became part of the royal retinue of his successor, Mohammad Khodabanda (r. 1578–1587).