A glove box for vehicles configured to be inserted into a part of a dashboard and to be withdrawn therefrom includes a housing having a storage space of the glove box, and guide units disposed on two side surfaces of the housing, respectively, and configured to move the housing along the inner surface of the dashboard, and each of the guide units includes a guide part configured to move along a corresponding one of rails located on two inner side surfaces of an opening formed in the part of the dashboard, and a fixing part located on the guide part and inserted into an insertion recess located on one of the rails so as to prevent movement of the housing in a withdrawn state of the housing.