The BAPS Shri Swaminarayan Mandir of Chicago, Illinois is a traditional Hindu place of worship built by the BAPS Swaminarayan Sanstha. The BAPS Swaminarayan Sanstha, which is headed by Mahant Swami Maharaj, is a denomination of the Swaminarayan branch of Hinduism.
The mandir, located in the Chicago suburb of Bartlett, opened on 7 August 2004. It is built of hand-carved Italian marble and Turkish limestone. The mandir is the largest of its kind in Illinois and was constructed according to guidelines outlined in ancient Hindu texts of temple architecture.
The complex spreads over 27 acres and, in addition to the mandir, includes a haveli and a small bookstore. The haveli is a cultural center in which weekly congregations are held. The mandir is open daily for worship and to visitors.