| Muhammad ibn al-Qasim محمد بن القاسم | |
| Other Names: | Ibn al-Qasim |
| Father: | Al-Qasim ibn Ubayd Allah |
| Birth Place: | Abbasid Caliphate |
| Death Place: | Baghdad, Abbasid Caliphate |
| Occupation: | Abbasid vizier |
| Years Active: | July 933 – October 933 (under al-Qahir) |
| Relatives: | Al-Husayn ibn al-Qasim (brother) |
Muhammad ibn al-Qasim was an official of the Abbasid Caliphate who served briefly as vizier in July–October 933 under Caliph al-Qahir (r. 932–934). He hailed from a family of Nestorian Christian origin that had served in the caliphal bureaucracy since late Umayyad times, and was the son, grandson, great-grandson and brother of viziers.