This article discusses multicultural competency education options for early career rehabilitation counsellor supervisors. It specifically addresses the importance of the cultural awareness and competencies in supervised supervision. Multicultural counsellor competencies in clinical supervision are considered in the context of rehabilitation counsellor professional preparation programs in the United States. Diversity considerations are important to operationalising the construct of the working alliance in the context of clinical supervision training for early career rehabilitation counsellor supervisors. Acquiring, retaining and cultivating multicultural clinical supervision competencies in self and others is a lifelong process.