Encyclopedia of Qur'an (EQ) is an scholarly work published by Brill Academic Publishers. The editor in chief of the encyclopedia is Jane Dammen McAuliffe.

Brill Academic publisher describes the encyclopedia as follows:

Drawing upon a rich scholarly heritage, and with nearly 1000 entries in 5 volumes, Brill’s EQ it is an encyclopaedic dictionary of qur'ānic terms, concepts, personalities, place names, cultural history and exegesis, extended with essays on the most important themes and subjects within qurʾānic studies.

See also

• Encyclopaedia of Islam
• Encyclopaedia Iranica
• Pauly-Wissowa Encyclopaedia of the Ancient World