| Abu Bakr ibn Sa'd | |
|---|---|
 Folio depicting Abu Bakr ibn Sa'd (seated right) and the Persian poet Saadi Shirazi (seated left). Made in Mughal India, dated 1602 | |
| Atabeg of Fars | |
| Reign | 1226 – 18 May 1260 |
| Predecessor | Sa'd I |
| Successor | Sa'd II |
| Died | 18 May 1260 |
| Issue | Sa'd II |
| Dynasty | Salghurids |
| Father | Sa'd I |
| Religion | Sunni Islam |
Abu Bakr ibn Sa'd (Persian: اتابک مظفرالدین ابوبکر بن سعد بن زنگی), also known as Muzaffar al-Din Qutlugh Khan, was the Salghurid atabeg (ruler) of Fars from 1226 to 1260. He was the son and successor of Sa'd I.