Billah (Arabic: بالله‎) is an Arabic phrase meaning with God or through God. It is used in various standard sayings, such as the Hawqala and the Ta'awwudh. It is also often used as a component of compound personal proper names, particularly as regnal names by caliphs and other rulers when it might be seen as a counterpart of the Christian usage by the grace of God.[citation needed] It is used for example as follows:

  • al-Aziz Billah (Arabic: العزيز بالله‎), mighty through God
  • Baqi Billah (Arabic: باقى بالله‎), everlasting through God
  • al-Mahdi Billah (Arabic: المهدي بالله‎), rightly guided through God
  • Al-Muhtadi Billah (Arabic: المهتدي بالله‎), rightly guided through God
  • Al-Muktafi Billah (Arabic: المكتفي بالله‎), contented through God
  • Al-Mustafa Billah (Arabic: المصطفى بالله‎), one who is chosen through God
  • Al-Musta'in Billah (Arabic: المستعين بالله‎), one who asks for help through God
  • al-Mustansir Billah (Arabic: المستنصر بالله‎), one who asks for victory through God
  • Al-Musta'sim Billah (Arabic: المستعصم بالله‎), he who holds fast through God
    • Al-Musta'sim Billah, (1213–1258), last Abbasid Caliph in Baghdad
  • al-Mu'tasim Billah (Arabic: المعتصم بالله‎), abstaining from sin through God
  • Al-Qahir Billah (Arabic: القاهر بالله‎), victorious through God
    • Al-Qahir bi'llah (899–950), Abbasid Caliph in Baghdad
  • Al-Wathiqu Billah (Arabic: الواثق بالله‎), he who holds trust through God


  • Salahuddin Ahmed (1999). A Dictionary of Muslim Names. London: Hurst & Company.
  • S. A. Rahman (2001). A Dictionary of Muslim Names. New Delhi: Goodword Books.