Look up al-Qaeda in Wiktionary, the free dictionary.
al-Qaeda is an Islamist terrorist multinational organization.
al-Qaeda (Arabic: القاعدة, lit. 'foundation') may also refer to:
- Al-Qaidah, former newspaper in Iraq
- Qaida (book) (Urdu: قاعده), a series of books for learning Quranic Arabic intended for beginners.