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The complex cavity flow represented by the feedback mechanism and self-sustained oscillations of cavity shear layer are widely investigated in various publications either through analysing the aero-acoustic phenomenon occurring and its control or through examining the heat transfer mechanism in such a flow. Boundary layer separation, turbulence, unsteadiness, recirculation and reattachment complicate the flow phenomena at the cavity and may lead to substantial effects on heat transfer. Besides, in order to enhance the heat transfer in some applications, cavity flow was introduced, and thus the importance of understanding the cavity flow structure and its relation with heat transfer has become vital, where such a phenomenon occurs in many engineering applications. This paper presents a literature review on the studies that focus on examining heat transfer in cavity flow, by evaluating the effect of cavity geometry and inlet flow field on heat transfer at different cavity regions.