Ema WARDANI Pengarang Dr. Umar Fauzan, M.Pd. Dosen Pembimbing 1 Widya Noviana Noor, M.Pd. Dosen Pembimbing 2 Rostanti Toba, M.Pd. Ketua Penguji Nadia Sya'ya, M.Pd., M.TESOL Penguji 2 Dina Destari, S.S., M.Pd. Penguji 1

Wardani, Ema. 2021 Discourse Analysis of Instagram Caption on English Department Students in IAIN Samarinda. Thesis. Teacher Training and Tarbiyah Faculty. English Education Department. State Islamic Institute of Samarinda. Advisors: Dr. Umar Fauzan, M.Pd as the first advisor and Widya Noviana Noor, M.Pd as the second advisor. Discourse analysis is a study that researches or analyzes language both in writing and orally. In this research, the media used is Instagram, which is one of the most popular applications used many people today. The purpose of this research was to find out the types of linguistic features and the meaning to be conveyed in linguistic features on Instagram caption. The method that has been used during this research was qualitative descriptive method. In addition, the instruments used in this study were the research itself, observation and documentation. Data collection by observing the subject in each class and then asked to send it in the form of screenshots. This research observed online, because there was still a COVID-19 pandemic outbreak, so it could be via WhatsApp only. The subjects of this research were English Department Students consisting of batch 2018 in IAIN Samarinda. The results of this study were that 50 captions were obtained from English Department Students and it was found that used of this types of linguistic features in writing captions on Instagram. Firstly, there were several linguistic features in writing such as, 1) Lexical features; code mixing, interjection, abbreviation, word letter replacement. 2) Orthographic; capitalization, bold letter, word spelling. 3) Paralinguistic and graphic features; use of emoticons and use of punctuation marks. 4) Discourse features; the stream of consciousness and coherence. 5) Grammatical features; sentence structure. The existence of this linguistic feature makes the research carried out by the researcher very unique and increases knowledge of the types of language used in writing captions on Instagram. Secondly, Discourse Analysis results, namely messages or meanings conveyed by students in captions on Instagram and in linguistic features.