Mansour (Arabic: منصور, Manṣūr); also spelled Mounsor, Monsur (Bengali), Mansoor, Manser, Mansur, Mansyur (Indonesian) or Mensur (Turkish), is a male Arabic name that means "He who is victorious", from the Arabic root naṣr (نصر), meaning "victory."
The first known bearer of the name was Mansur ibn Sarjun, Byzantine governor of Damascus in the late 500s and early 600s, who surrendered the city to the Muslims in 635.
Other people called Mansur include, during the golden Age of Islam: Mansur or Mansour is used in Turkic languages, Iranian languages and Arabic, while the transliteration Mansoor is typically used by South Asians, and Mensur is used in the Bosnian language.