The present disclosure relates to a refrigerator. The refrigerator includes first storage for defining a first storage space therein, a door for opening and closing the first storage space, and a plurality of shelves installed in the first storage space for placing food thereon. The door includes a door frame having an opening defined therein, and mounted pivotable to the first storage, a panel assembly inserted into the opening, and disposed to allow the first storage space to be seen through, and a flow path blocking portion mounted on the door frame, wherein the flow path blocking portion shields a gap defined between the panel assembly and the shelf as the door closes the first storage space.