Purpose: The purpose of this study is to explore existing frameworks and practices for addressing discrimination in supervision as well as patterns of discriminatory treatment in supervision identified in social work and related fields. Methods: The project employed a rapid review guided by the methods of Search, Appraisal, Synthesize, and Analysis (SALSA) and Preferred Reporting Items for Systematic Reviews and Meta Analysis (PRISMA). Results: The authors found evidence that discrimination in supervision is a documented problem that occurs in related fields. It revealed a range of social identities that have been the target of discrimination. It also found opportunities for social work to build on existing regulatory frameworks to address critical gaps. Conclusion: It is critical that social work take steps to fill the gap in social work professional standards and regulations and ensure that social workers from disadvantaged backgrounds have equal opportunity and access to training and licensure.