Ḥusām ad-Dīn ʿIwaz bin Ḥusayn Khaljī (Bengali: হুসামউদ্দীন ইওজ বিন হোসেন খলজী, Persian: حسام الدین عوض بن حسین خلجی), later known by his regnal title as Ghiyāth ad-Dīn ʿIwaz Shāh (Bengali: গিয়াসউদ্দীন ইওজ শাহ, Persian: غیاث الدین عوض شاه), was a two-time governor of Bengal under the Delhi Sultanate, and a member of the Khalji dynasty of Bengal. During his second term, lasting from 1212 to 1227, Khalji declared himself as an independent ruler of Bengal.