Although the UK is a multicultural society, racially minoritised populations are often under-represented in healthcare research owing to the significant barriers to participation they experience.1 Under-representation of racially minoritised groups in research impacts the quality of evidence and applicability of findings to these groups. This, in part, explains why these communities are more likely to report poorer health and poorer experiences of using healthcare services than their White counterparts,2 given that their cultural and spiritual preferences are often ignored.3 This commentary will explore some of the persistent multifaceted barriers and the role of research ethics committees (RECs) in enabling inclusive healthcare research among racially minoritised communities, given their key responsibility in building public confidence, ensuring ethical conduct and safeguarding research participants. In addition, patient and public involvement and engagement (PPIE) can complement the roles of RECs in embracing diversity in healthcare...