Mansour is Arabic and means 'victorious' or 'one who is given victory.'
Mansour — also spelled Mansur, Mansoor, or Mansoure depending on transliteration conventions — is an Arabic name meaning 'victorious,' 'the one granted victory,' or 'helped to triumph,' derived from the root n-s-r (نصر), which gives Arabic its core vocabulary of victory and divine support. The name carries an explicit theological dimension: in classical Islamic understanding, true victory (nasr) is granted by God, so the name implies not merely success but divinely aided success — a meaning that made it extraordinarily popular across the Islamic world from the seventh century onward. Its most historically consequential bearer was Abu Ja'far al-Mansur (714–775 CE), the second caliph of the Abbasid dynasty, who founded the city of Baghdad in 762 CE — the Round City, Madinat al-Salam, 'City of Peace' — which became the intellectual and commercial capital of the medieval world.
Under al-Mansur and his successors, Baghdad hosted the House of Wisdom (Bayt al-Hikma), the great translation movement that preserved and transmitted Greek science and philosophy to the Islamic world and eventually back to Europe. The name thus sits at the origin point of one of history's most consequential urban and intellectual projects. Al-Mansur ibn Abi Aamir — the fearsome regent of Umayyad Córdoba — carried the name to medieval Iberia, where he became the most powerful ruler of his era.
Today Mansour is common across the Arab world, Iran (as Mansour or Mansur), Turkey, and Muslim communities globally. It has become increasingly familiar in Europe and North America through diaspora communities, and its meaning — victory, divine support — gives it an uplifting resonance that transcends any single culture. It is a name with a thousand years of serious history behind every syllable.