English as the language of international communication, makes English a language that needs to be learned in the world. Unfortunately, formal learning for EFL students in Indonesia has challenges that must be faced. The challenge is in the form of learning that has limited time. Hence EFL students in Indonesia need to have the awareness to study autonomously. In this case, autonomous learning is needed to meet the needs of students. By utilizing existing technological developments, the use of technology is carried out to help achieve learning objectives. As a result, autonomous learning via YouTube can be a solution for EFL students to learn English. This study discusses about the identification of learning English autonomy mediated with youtube to improve English language skill at MTs NU 21 Banyuringin. This research is qualitative. The researcher involved 10 students as respondents and selected by purposive. Respondents were grade 12 students at MTs NU 21 Banyuringin in the first semester. Researchers used interviews to collect data. The results showed that students at MTs NU 21 Banyuringin fulfilled the criteria as independent learners. These criteria are based on 8 autonomous student stated by Chan (2013). The majority of respondents show that most of the students have 8 criteria as autonomous students. Based on interviews conducted, most of the students are motivated in learning, goal-oriented in learning, willing to ask, work hard in learning, well organized in learning, interest and enthusiast in learning, active in learning and have initiative in learning. In addition, researchers found that learning English autonomously using YouTube can improve students' English language skills.