With the rapid advancement of digital technologies, the field of technology-mediated second and foreign language (L2) learning and teaching has expanded considerably.In such a digitalized teaching context, there is a growing need for researchers to investigate various aspects of L2 teaching psychology. This edited volume brings together a collection of studies and conceptual reviews on the psychological dimensions of L2 teaching in digital contexts. More specifically, the volume includes chapters that address a diverse range of psychological constructs in online L2 teaching from various empirical and theoretical perspectives. Furthermore, it showcases the dynamic nature of psychological states in online settings and presents innovative ideas for studying and assessing psychological variables in online L2 teaching contexts.As such, this volume can serve as a useful resource for L2 teacher educators, researchers, teachers, and graduate students.