| Majd al-Dawla مجد الدوله | |
|---|---|
| Amir Shahanshah | |
 Coin of Majd al-Dawla | |
| Amir of the Buyid amirate of Ray | |
| Reign | 997–1029 |
| Predecessor | Fakhr al-Dawla |
| Successor | Mahmud of Ghazni (Ghaznavid dynasty) |
| Born | 993 |
| Died | after 1029 Ghazni |
| Issue | Fana-Khusrau Abu Dulaf |
| Dynasty | Buyid dynasty |
| Father | Fakhr al-Dawla |
| Mother | Sayyida Shirin |
| Religion | Shia Islam |
Abu Talib Rustam (Persian: ابو طالب رستم; 997–1029), commonly known by his laqab (honorific title) of Majd al-Dawla (مجد الدوله), was the last amir (ruler) of the Buyid amirate of Ray from 997 to 1029. He was the eldest son of Fakhr al-Dawla (r. 976–980, 984–997). A weak ruler, he was a figurehead most of his reign, whilst his mother Sayyida Shirin was the real ruler of the kingdom.
Majd al-Dawla's reign saw the gradual shrinking of Buyid holdings in central Iran; Gurgan and Tabaristan had been lost to the Ziyarids in 997, while several of the western towns were seized by the Sallarids of Azerbaijan. There were also internal troubles, such as the revolt of the Daylamite military officer Ibn Fuladh in 1016. Following the death of Sayyida Shirin in 1028, Majd al-Dawla was faced with a revolt by his Daylamite soldiers, and thus requested the assistance of the Ghaznavid ruler Mahmud (r. 998–1030) in dealing with them. Mahmud came to Ray in 1029, deposed Majd al-Dawla as ruler, and sacked the city, bringing an end to Buyid rule there.
Majd al-Dawla was reportedly sent to the Ghaznavid capital of Ghazni, where he died.