The name Abu al-Qasim or Abu'l-Qasim (), meaning father of Qasim, is a kunya or attributive name of Islamic prophet Muhammad, describing him as father to his son Qasim ibn Muhammad. Since then the name has been used by the following:
People
Al-Mustakfi, also known as Abu al-Qasim Abdallah was the Caliph of Baghdad from September 944 to 946. Al-Muti, also known as Abu al-Qasim al-Fadl was the Caliph of Baghdad from 28 January 946 to 5 August 974. Al-Muqtadi also known as Abu al-Qasim Abdallah was the Caliph of Baghdad from 2 April 1075 to 3 February 1094. Ali ibn al-Hasan al-Kalbi (died 982), Kalbid emir of Sicily Abu al-Qasim Kashani (died after 1324), Persian historian active in the late Ilkhanate era Mohamed Abu al-Qasim al-Zwai (born 1952), Secretary General of Libya's General People's Congress Amal Abul-Qassem Donqol (1940–1983), Egyptian poet Aboul-Qacem Echebbi (1909–1934), Tunisian poet Abu'l-Qásim Faizi (1906–1980), Persian Bahá'í Abu al-Qasim al-Khoei (1899–1992), Twelver Shi'a Islamic grand ayatollah (marja) Abolqasem Najm (1892–1981), Iranian politician, cabinet minister, and diplomat Abolqasem Lahouti (1887–1957), Persian poet Abol-Ghasem Kashani (1882–1962), Iranian Twelver Shi'a Muslim cleric Abul Kasem Fazlul Huq (1873—1962), Bengali politician Abu al-Qasim al-Zayyani (1734/35–1833), Berber historian, geographer, poet and statesman from Morocco Abu'l-Qasim al-Tayyib (1130–unknown), Isma'ili Imam Abu-l-Qasim Ahmad ibn al-Husayn ibn Qasi (died 1151), leader of the opposition against the Almoravid dynasty in Al-Garb Al-Andalus Abu Al-Qasim Mahmud Ibn 'Umar Al-Zamakhshari (1074 or 1075–1143 or 1144), Muslim scholar Abu'l-Qasim ibn Hammud ibn al-Hajar (fl. 1167-1185), leader of the Sicilian Muslim community, Norman Kingdom of Sicily Abu'l-Qasim (Seljuq governor of Nicaea) (ruled 1084–1092) Abu al-Qasim Muhammad ibn Abbad (ruled 1023–1042), founder and eponym of the Abbadid dynasty in Al-Andalus Abu al-Qasim Ferdowsi (940–1020), Persian poet Abu al-Qasim al-Zahrawi (936–1013), or Abulcasis, Arab surgeon and physician who lived in Al-Andalus Abu Al-Qasim Al-Ansari (1040-1118), Islamic theologian who lived in Transoxiana. Abolghasem Alidoust, Iranian legal scholar Abol-Ghasem Kashani (1882–1962), Iranian politician and ayatollah Abolghasem Khazali (1925–2015), Iranian politician and cleric Abolghasem Mozaffari (born 1967), Iranian military person Abolghasem Orouji (born 1989), Iranian futsal player Abolghasem Sakhdari ( 1948), Iranian wrestler Abolghasem Sarhaddizadeh (1945–2020), Iranian politician Abolghasem Wafi Yazdi (born 1935), Iranian Shia cleric Abu Kasim Adamu, Nigeria botanist and academics professor