A refrigerator comprising a body provided with a storage compartment , wherein: the body includes an inner case configured to form the storage compartment ; and the inner case includes: a front frame configured to form a front of the inner case , a plurality of side panels formed in a plate shape and having front ends coupled to the front frame , and a rear panel coupled to rear ends of the plurality of side panels , wherein the front frame includes a coupling portion terminating in a locking protrusion (121d-1); and the front end of each of the plurality of side panels includes a locking portion arranged in the form of a hook , characterized in that the end of the hook extends towards the locking protrusion (121d-1) and engages with the locking protrusion (121-d) to couple the front frame to the front end of each of the plurality of side panels , wherein each of the plurality of side panels includes an elastic portion formed by a part of a rear end of a side panel being bent into an approximate U-shape; and the rear panel includes a rear coupling portion formed in a groove shape, so that the elastic portion is inserted into and supported by an inner surface of the rear coupling portion . the body includes an inner case configured to form the storage compartment ; and the inner case includes: a front frame configured to form a front of the inner case , a plurality of side panels formed in a plate shape and having front ends coupled to the front frame , and a rear panel coupled to rear ends of the plurality of side panels , wherein the front frame includes a coupling portion terminating in a locking protrusion (121d-1); and the front end of each of the plurality of side panels includes a locking portion arranged in the form of a hook , characterized in that the end of the hook extends towards the locking protrusion (121d-1) and engages with the locking protrusion (121-d) to couple the front frame to the front end of each of the plurality of side panels , wherein each of the plurality of side panels includes an elastic portion formed by a part of a rear end of a side panel being bent into an approximate U-shape; and the rear panel includes a rear coupling portion formed in a groove shape, so that the elastic portion is inserted into and supported by an inner surface of the rear coupling portion . a front frame configured to form a front of the inner case , a plurality of side panels formed in a plate shape and having front ends coupled to the front frame , and a rear panel coupled to rear ends of the plurality of side panels , wherein the front frame includes a coupling portion terminating in a locking protrusion (121d-1); and the front end of each of the plurality of side panels includes a locking portion arranged in the form of a hook , characterized in that the end of the hook extends towards the locking protrusion (121d-1) and engages with the locking protrusion (121-d) to couple the front frame to the front end of each of the plurality of side panels , wherein each of the plurality of side panels includes an elastic portion formed by a part of a rear end of a side panel being bent into an approximate U-shape; and the rear panel includes a rear coupling portion formed in a groove shape, so that the elastic portion is inserted into and supported by an inner surface of the rear coupling portion . <EOS>