The role of notary in initial public offering of shares of a limited liability company in Indonesia is important, particularly in producing notarial deed of related agreements, in administering the General Shareholders Meeting and in composing amendment of the articles of association. A normative legal research, i.e. a legal research which is conducted by doing comprehensive study on literatures, is necessary to know and to analyze to what extent the role and involvement, as well as the responsibilities of notary in the process of initial public offering of shares of a limited liability company in Indonesia. The data used in this research is secondary data. Analysis of the data was done by using a combination methods of the statute approach and the conceptual approach. From these results, we can conclude to what extent the role and involvement as well as the responsibilities of notary in the administration of the General Shareholders Meeting as well as the production of authentic deeds of the agreements entered into in connection with the process of initial public offering of shares of a limited liability company. / Peran notaris dalam proses penawaran umum saham perdana suatu Perseroan Terbatas sangat diperlukan, khususnya dalam pembuatan peijanjianperjanjian penting, dalam penyelenggaraan Rapat Umum Pemegang Saham dan hal-hal yang berhubungan dengan penyusunan perubahan anggaran dasar. Untuk mengetahui dan menganalisis sejauh mana peran dan keterlibatan serta tanggung jawab notaris dalam proses penawaran umum saham perdana suatu Perseroan Terbatas di Indonesia diperlukan penelitian hukum normatif, yaitu penelitian hukum yang dilakukan dengan cara meneliti bahan pustaka. Data yang dipakai dalam penelitian ini merupakan data sekunder. Analisis terhadap data dilakukan dengan menggunakan kombinasi metode pendekatan undang-undang dan pendekatan konseptual. Dari hasil penelitian tersebut, dapat disimpulkan sampai sejauh mana peran dan keterlibatan serta sejauh mana tanggung jawab notaris dalam penyelenggaraan Rapat Umum Pemegang Saham serta pembuatan akta otentik dari perjanjian-perjanjian yang dibuat sehubungan dengan rencana Perseroan Terbatas untuk melakukan penawaran umum saham perdana.