Key populations, including men who have sex with men, transgender individuals, people who inject drugs, and sex workers, face disproportionate barriers to accessing HIV/AIDS services due to stigma, discrimination, and criminalization of behaviors. Ensuring access to culturally competent, non-judgmental care and support is essential for addressing the unique needs of key populations and reducing health disparities. By implementing tailored interventions, removing legal and policy barriers, and fostering partnerships with affected communities, we can ensure that everyone has access to the HIV/AIDS services they need to live healthy and fulfilling lives.