Sura al-Ahzab (Arabic: سورة الأحزاب) is thirty third sura of the Qur'an. It is a Madani sura, located in juz's twenty first and twenty second. Since a significant part of this sura is about the battle of Ahzab (also called Khandaq), this sura is named al-Ahzab. Sura al-Ahzab is about not following disbelievers and obeying God, some laws of the Age of Ignorance, duties of the wives of the Prophet (s), the story of the Prophet's (s) marriage with Zaynab bt. Jahsh and the issue of hijab.

Sura al-Ahzab has many famous verses, including a verse which calls the Prophet's (s) wives, "Ummahat al-Mu'minin", introduces the Prophet (s) as an exemplar, and the al-Tathir verse, the al-Khatamiyya verse, the Salawat verse and the al-Amana Verse. About the merits of the recitation of this sura, it is transmitted that if a person recites it, he will be safe from the punishment of the grave, and that he will be with the Prophet (s) and his wives on the Day of Judgment.