ʿAbd al-Qādir Gīlānī, (Persian: عبدالقادر گیلانی, formally Muḥyī l-Dīn Abū Muḥammad b. Abū Sālih ʿAbd al-Qādir al-Gīlānī al-Ḥasanī wa'l-Ḥusaynī (Arabic: عبدالقادر الجيلاني, Turkish: Abdülkâdir Geylânî, Kurdish: Evdilqadirê Geylanî, Sorani Kurdish: عه‌بدوالقادری گه‌یلانی), known as for short was a Hanbali Sunni Muslim preacher, orator, ascetic, mystic, sayyid, faqīh, and theologian. He was known for being the eponymous founder of the Qadiriyya tariqa (Sufi order) of Sufism.

Urs festival of Shaikh Jilani is celebrated as Gyarvi Sharif in Indian subcontinent and abroad.