This research aims to investigate the role of Facebook as an online medium for learning English the students of English Language Education Department by scrutinize general activity on Facebook and students‟ perception toward the roles of Facebook in term of students‟ language improvement, confidence, motivation and attitude. For the further result, it provides student general activity on Facebook and students‟ perception of Facebook role for learning English. This research used a quantitative approach and applied survey design. This research was conducted at one of private universities in Yogyakarta. The researcher used a cluster random sampling to choose 150 respondents of first year ELED students. The researcher used a questionnaire that was adapted from Sa‟aleek (2015), and it contains 16 items. The data were analyzed using descriptive statistics by seeing dominant score and the total means score of the result. Findings revealed (total mean score= ΣM 3.10) students believed that Facebook can be used as an online learning medium to improve English skills because it can be used to practice writing and reading English, enhances English communication skills, overcome language mistakes and learn new English vocabulary. In addition, they believed that Facebook generally improves their confidence (ΣM=3.12) and motivation (ΣM=3.10) to learn English. The last finding (ΣM= 3.02) indicates that students have a positive attitude towards the role of Facebook as an online medium for learning English. In light of the findings of the research, it is recommended for English foreign language (EFL) teachers should plan learning classes use social networking sites (SNS) such as Facebook.