This guide offers advice and structures for inclusion leaders to incorporate religious diversity into their existing efforts and to balance programs for religious diversity with their other inclusion efforts. It begins with an overview of what religious diversity looks like, both within the United States and globally. Next, it reviews inclusive practices that leading organizations follow to ensure that employees throughout the religious spectrum feel included. Specifically, this guide goes on to provide further best practices around religious holidays, religious accommodations, and faith-based Employee Resource Groups (ERGs).