This study compared extramundane communication in Christianity, Islam, and traditional religions to examine its roles in the selection, installation, and transition of monarchs in Yorubaland across the three religions. Key informants' interviews, non-participant observation, and documentary methods were used for data collection, while comparative analysis and textual analysis approaches were adopted to analyse the data collected for the study. The findings revealed similarities and differences in how these religions approach extramundane communication, highlighting the significance of religions in Yoruba kingship.The study’s conclusion indicates that acknowledging and honouring the roles of extramundane communication of the three religions in Yoruba kingship can promote harmony and mutual understanding among all the stakeholders in various Yoruba kingdoms, which in turn can help reduce the misunderstanding, acrimony, and tension often generated among the adherents of Christianity, Islam, and traditional religions over the selection, installation, and transition of kings in Yorubaland.