This open access book provides practical and theoretical perspectives for thinking about and promoting activism in language teaching and language teacher education. Featuring work from a range of global contexts, this edited volume showcases the innovative ways language education professionals engage in and embrace activism. Contributions detail practices and pedagogies to foster curricular innovation and activist stances within teacher education, professional development, and language teaching. Collectively, these chapters illuminate how educators engage with and enact activism to forge an equitable and socially-just education landscape. Readers will find theoretical frameworks and practical approaches to catalyze both reflection and action towards social change in language education. The ebook editions of this book are available open access under a CC BY-NC-ND 4.0 licence on bloomsburycollections.com. Open access was funded by Knowledge Unlatched.