RBAC Views 7 meanings found RBAC is best known as Role‑Based Access Control, a security model that restricts system access based on users’ job functions, and the acronym also appears in the names of several business and advisory committees. Miscellaneous ROSE BOWL Aquatics Center Regulamento Brasileiro de Aviação Civil Computing Role-Based Access Control Business Rockville Bike Advisory Committee Regional Business Assistance Corporation Recycling Business Assistance Center Reuse Business Assistance Center