Islamgarh Fort (Urdu: قلعہ اسلام گڑھ), previously known as Bheem War Fort, is a fort situated in the Cholistan Desert, Pakistan.

[1][2] Islamgarh Fort was built in 1665 during the reign of Raja Rawal Siri Bheem Singh, A Hindu Rajput King of Jaisalmer.

[3][4] The construction materials for the fort were sourced from Jaisalmer, India, and included locally made bricks.

[3][4] Originally named Bheem War Fort, it was conquered and renamed Islam Garh Fort by Ikhtiar Khan Sund-i-Elahi in 1780, who also built a mosque inside the fort.

[3][4] The fort later fell into the hands of Nawab Muhammad Mubarak Khan II after a victorious battle against Khan.