A housing assembly for a battery module includes a plurality of brackets disposed side by side in the front-rear direction and connected by a snap, and each two adjacent brackets defining a space for receiving the battery; a plurality of copper bars disposed vertically on the brackets and having a through-hole adapted for extending an electrode of the battery; and a plurality of insulating frames disposed on the copper bars to cover the electrodes of the batteries; wherein the insulating frame is connected with the bracket by a snap and has an extension direction as same as that of the copper bar. A battery module including the housing assembly is also provided.