Anti-Racism in Public Health Act of 2021 This bill establishes within the Centers for Disease Control and Prevention (CDC) a National Center on Antiracism and Health and a law enforcement violence prevention program. Among other activities, the new center must declare racism a public health crisis, collect and analyze data, and administer research and grant programs to address racism and its impact on health and well-being. Additionally, the bill specifically directs the CDC's National Center for Injury Prevention and Control, in coordination with the Department of Justice and other relevant stakeholders, to carry out the law enforcement violence prevention program by conducting research and supporting other activities pertaining to law enforcement violence and public health.