| Muhammad ibn Salih al-Hashimi محمد بن صالح الهاشمي | |
| Region: | Baghdad, Iraq |
| Era: | Islamic Golden Age |
| Parents: | Salih al-Abbasi al-Hashimi |
| Spouse: | Bint Muhammad |
| Birth Date: | 905/6 |
| Birth Place: | Kufa |
| Death Date: | November/December 979 |
| Death Place: | Baghdad |
| Religion: | Islam |
| Creed: | Sunni |
| Main Interests: | Islamic theology, Tawhid, Islamic jurisprudence |
| Office1: | Abbasid Chief Judge |
| Term Start1: | 973/4 |
| Term End1: | 975 Caliphs: al-Muti and al-Ta'i |
| Predecessor1: | Abu Muhammad Ubaydallah ibn Ahmad ibn Ma'ruf |
| Successor1: | Abu Muhammad Ubaydallah ibn Ahmad ibn Ma'ruf |
Abu'l-Husayn Muhammad ibn Salih ibn Umm Shayban al-Hashimi (أبو الحسين محمد بن صالح بن أم شيبان الهاشمي) was a member of the extended Abbasid dynasty who became chief in Iraq in 973/4–975, under the Buyid emir.
Muhammad ibn Salih was born in Kufa in 905/6. He came to Baghdad in 928/9, and married a daughter of the chief Abu Umar Muhammad.
He became a himself in Baghdad, first over the City of al-Mansur, then in January/February 947, over all of West Baghdad. Replaced in October/November 947, he was appointed of Egypt, Palestine, and parts of Syria.
In 973/4 he was appointed chief in Baghdad, succeeding Ibn Ma'ruf, until he was dismissed in May/June 975. He died in November/December 979.