Internship programs are crucial for developing language skills because they provide real-world experience, exposure to different cultures, and chances to network with industry professionals. This continuous exposure facilitates confidence-building, fluency improvement, and language barrier-breaking. As a result, internships offer exceptional experiential learning opportunities for language learning and competency development. This review focuses on how internship programs pave the way for interns to have language proficiency skills that will prepare them for the real-life situations of our competitive world. The real-world situations that internship programs offer allow language learners to practice and apply their skills, making them essential for language proficiency. A stronger emphasis on internships in language instruction will better prepare students for the increasingly international world in which language competence is essential.