Objective: To identify sex/gender differences in functional, psychosocial and service use patterns in community-based post-acute care for acquired brain injury. Design: Retrospective cohort study. Subjects/patients: Adults with acquired brain injury enrolled in post-acute neurorehabilitation and disability support in Western Australia (n = 1,011). Methods: UK Functional Independence Measure and Functional Assessment Measure (FIM + FAM), Mayo-Portland Adaptability Inventory-4, goal attainment, length of stay (LOS), number of episodes of care and deaths were evaluated using routinely collected clinical and linked administrative data. Results: At admission, women were older (p