Abstract-Development of technology including computers and the Internet has introduced a new channel of sharing ideas and beliefs in social networks all over the world. Despite a huge number of studies on compliment, this verbal behavior has not received sufficient attention in such contexts as online communication in social networks. This study aimed to investigate the realization of English compliment response strategies by Iranian English as Foreign Language (EFL) Learners on social networks. To this end, a sample of 30 Iranian EFL learners studying at Islamic Azad University, Khorasgan Branch (IAUKB) was selected from friend's list on social networks. Observing ethical issues, participants' compliments and compliment response strategies were recorded, classified, analyzed in terms of frequency and percentage, and then interpreted. The findings revealed that the most frequent response strategy to English compliments was acceptance strategies at macro level and appreciation token at micro level. The findings of this study may benefit teachers, linguists, language learners, and others interested in language learning and teaching.