Despite recent scholarly advancements in teaching English as an international language (EIL), its implementation in TESOL classrooms has been challenging and limited. Because English teachers play a significant role in EIL implementation in their daily lessons, preparing EIL-oriented teachers becomes critical. This article outlines major developments in EIL and their implications for teacher competence and discusses the ideological challenges in integrating EIL in teacher education. It concludes with a detailed description of a three-step EIL-oriented pedagogy for TESOL teacher education courses and programs that aims to foster teachers' linguistic self-respect, build their pedagogical competence for plurilingual teaching, and transform their classrooms.With its ever-increasing use and spread by people of different nations for communication in global migration and flow, English is widely accepted as an international language. As an international language, it enables speakers to share ideas and cultures with others across the globe, and its varieties become established alongside local languages and embedded in the culture (s) of the countries in which they are used. English as an international language (EIL), therefore, refers to a function that the English language performs in international, multilingual contexts in which users from different linguistic and cultural backgrounds