What is the future of diversity research and practice in HRM? In this paper, we examine diversity ideologies in the United States across four distinct eras: white supremacy and sanctioned exclusion of racioethnic minorities before the 1960s, the equal opportunityCivil Rights era of the 1960s, the diversity management/multiculturalism era of the 1980s and 90s, and today's inclusion/post-race era. We argue diversity practices and scholarship can be viewed as enactments of the underlying diversity ideology that dominated in a particular era. Our examination provides insight into how changes in societal beliefs and attitudes about non-dominant racioethnic groups and their status and incorporation into