HUMANIS Journal of Arts and Humanities p-ISSN: 2528-5076, e-ISSN: 2302-920X Terakreditasi Sinta-3, SK No: 105/E/KPT/2022 Vol 27.3. Agustus 2023: 363-371 363 The English Register in Social Media Instagram Sang Ayu Isnu Maharani, I Nyoman Tri Ediwan Udayana University, Denpasar, Bali, Indonesia Correspondence email: isnu_maharani@unud.ac.id, tri_ediwan@unud.ac.id Article Info Abstract Submited: 30 th January 2023 Revised: 11 th June 2023 Accepted: 26 th June 2023 Publish: 31 st August 2023 Keywords: Variety, Register, English, Social Media, Instagram Corresponding Author: Sang Ayu Isnu Maharani Email: isnu_maharani@unud.ac.id DOI: https://doi.org/10.24843/JH.20 23.v27.i03.p11 This research entitled "English Register in Social Media Instagram". This research is conducted with the aim at identifying and mapping the use of English registers in social media Instagram and specifically is to find out the function of the usage of those registers. This research is a-qualitative descriptive research. The method applied for this research is observation method with note-taking and screen shot technique. This research applied register theory from Halliday (1994). INTRODUCTION In society, register is a linguistic phenomenon. Registers are linguistic variants generated by the specific qualities of the user's demands, such as advertising languages, article languages, and others in written language. Meanwhile, we may discover political language, presenter language, parody language, and so on in spoken language. As today's society evolves, people will come across a variety of language occurrences. Social language, alay language (Indonesian Pop Culture Language), slang language, and many others are examples. The linguistic phenomena investigated in this study is the English register on the social media platform Instagram. Social media is a trendy way of life that unavoidably 'forces' people to grasp the new way of life if they don't want to be regarded „old fashioned‟. From a positive standpoint, social media allows people to become freelance writers, freelance journalists, public personalities, online company owners, establish self- image, and perform a variety of other things. Meanwhile, if people look at the negative side of social media, it easily notices the fraud or illegal activity such as people trafficking. Positive and bad things are constantly existed, like two sides of a coin. Without individuals recognizing it, social media has gradually altered their thinking, attitude, lifestyle, and language. The language style or the linguistic variety shown in social media can be