This research aimed to investigate the strategies employed by Indonesian returnees from English-speaking countries, to maintain their English language proficiency and to identify the challenges they encountered in this process. The qualitative research approach was utilized, primarily involving structured interviews with five Indonesian returnees from English speaking countries including Australia, USA, and Hungary, it is selected through convenience sampling. The findings of this study revealed that these individuals employed multipled strategies, including integrating English into their daily home environment, engaging in self-driven practice, leveraging technology, receiving family support, and actively participating in language-related activities. This research also highlighted the diverse challenges faced by these returnees, encompassing environmental constraints, vocabulary retention issues, and a lack of English-speaking friends. In conclusion, it emphasized the necessity for targeted support and effective strategies to assist Indonesian returnees in overcoming these challenges and maintaining their English proficiency.