This article reports on a study that examined how religious discourses of inclusion and exclusion -in Roman Catholic, evangelical Protestant, and Afro-Brazilian religious traditions-affected people's rights to express same-sex sexual desires, behaviors, and identities in the socioeconomically marginalized urban periphery of Rio de Janeiro, Brazil. Using extended ethnographic observation of institutions and religious events over a period of 2 years, the authors identified how sexual rights were constructed within religious discourses and conducted ethnographic interviews with 45 religious leaders. In the low-income and violent urban periphery of Rio de Janeiro, religious leaders and institutions play key roles in molding community inclusion and exclusion. A comparison of the 3 major religious denominations shows a diversity of discourses about same-sex sexual desires and their impacts on community formation. Keywords same-sex sexualities; sexual rights; Roman Catholic; Pentecostal; evangelical; Afro-Brazilian religion Religion is a central force in the configuration of reality and the conception of ethical and moral principles. As belief systems and as social institutions, religious systems shape cultural meanings and community formation. These conceptions affect both individual rights, which are expressed through mechanisms of self-understanding and selfidentification, and collective rights, which are experienced as an institutional force that 1 Original citation: Garcia, J., Muñoz-Laboy, M., de Almeida, V., and Parker, R. Local impacts of religious discourses on rights to express same-sex sexual desires in periurban Rio de