Should psychology training programs take steps to incorporate content related to spiritual and religious diversity in their curriculum? This article provides a critical discussion of research demonstrating minimal integration of spiritual and religious issues in psychology training, supervision, and course work. Unique aspects of training related to spiritual diversity and interventions across various subdisciplines in psychology are highlighted. Suggestions for integrating spiritual and religious diversity into psychology training are presented. For the benefit of students, clients, and their communities, psychologists are encouraged to obtain specialized training to enhance their spiritual and religious competency.