HUBS for Veterans Act of 2023 This bill establishes a grant program to assist the transition of military personnel to civilian life. It directs the Department of Labor to carry out a five-year grant program for nonprofit organizations, state boards, or local boards to assist the transition of the following persons from Armed Forces service to civilian life: members eligible for preseparation counseling, former members who are transitioning to civilian life, and spouses of such members or former members. Funds must be used for a range of services and assistance, such as career and training services.