Ibn al-Qasim () is a component of Arabic masculine names. Notable people whose full name includes "Ibn al-Qasim" or "Ibn al-Kasim" include:
Abd al-Rahman ibn al-Qasim (–806), early Maliki jurist Muhammad ibn al-Qasim (disambiguation), several people with this name including: Muhammad ibn al-Qasim (695–715), Umayyad military commander and conqueror of Sindh (Pakistan) Muhammad ibn al-Qasim (vizier), official of the Abbasid Caliphate who served as vizier in 933 Muhammad ibn al-Qasim al-Badisi (died 1922), Moroccan astronomer, poet and writer al-Hajjam al-Hasan ibn Muhammad ibn al-Qasim, tenth Idrisid ruler of Morocco (early 10th century) al-Husayn ibn al-Qasim, official of the Abbasid Caliphate who served as vizier in 931–932 Yahya ibn al-Qasim, ninth Idrisid ruler of Morocco (early 10th century)