Religions are constellations of beliefs, practices, institutions, and more by which a meaningful world is established, maintained, and celebrated. Such constellations are many. A theology of religious manyness is a formal, systematic attempt by careful consideration of sacred writings, doctrines, and practices by adherents of one religion to make sense of the phenomenon of religious diversity. This asynchronous-online course facilitates an investigation of a range of Jewish, Christian, Muslim, Hindu, and Buddhist theologies of religious manyness. In the process, it draws on scholarship conducted under the umbrellas of theology of religions and theology of religious diversity as it considers the construction of otherness; the notion of religion itself; and typologies by which attitudes toward religious difference are sorted.