In the realm of language teaching, the intersection of Diversity, Equity, and Inclusion (DEI) assumes a pivotal role in shaping effective pedagogical approaches and cultivating an inclusive, equitable learning environment. This presentation aims to establish the profound relevance of DEI principles in the context of second language learning and teaching, highlighting the symbiotic relationship between cultural diversity, social class, varying experiences, and linguistic proficiency. Drawing on the principles of Culturally Sustainable Pedagogies, we will provide recommendations and practical tips for ensuring DEI support in your second language class. The latter part of the talk will specifically delve into DEI issues within Computer-Assisted Language Learning (CALL) and research. In conclusion, this presentation underscores the paramount significance of seamlessly integrating DEI principles into the framework of second language education.