Multiculturalism, social justice, and peace are important aspects of the Christian faith. However, scholars in the literature seeking to integrate psychology and Christian theology have underrepresented them. In this present article, we review barriers to including them in our psychology–theology integration literature. Thereafter, we provide a trinitarian theology of multiculturalism, social justice, and peace with a hope that theological knowledge will help Christian psychologists begin to overcome barriers and to move this body of literature forward. We also offer implications for scholarship/research, education/training, and clinical work.
