This open access handbook contributes to decolonising the scholarship that lies at the intersections of the educational and language sciences. Contributors from across the planet interrogate issues related to mainstream western/northern hegemonies of knowledge production and institutional hierarchies and practices which continue to dominate the research landscape. Engaging with alternative, marginalised and/or Southern thinking, the scholarship presented here goes beyond calls for multidisciplinarity, and instead offers multiversal, ‘undisciplinary’ ways and waves of doing research ‘otherwise’. The handbook will appeal to scholars and students working in and beyond the broad areas of education and language who are interested in discussions about Southern and decolonial perspectives, positionality and the politics of knowledge production.