This focus in this research is to discuss the process of international organization’s advocacy in fighting for the rights of LGBT people. LGBT is a term for a mention the different of sexual orientation and gender identity. The term refers to the LGBT are Lesbian, Gay, Bisexual, and Transgender. LGBT issues are growing due to the large number of discrimination experiences. Discrimination often occurs due to the viewpoints that consider they are different. The large number of the discrimination that makes the against organizations about LGBT act according to their respective fields. One of the example of a caring organization of LGBT is Institut Pelangi Perempuan (IPP). IPP advocates both national and international scope. IPP seeks to help voicing the rights of LGBT that related to Sexual Orientation and Gender Identity (SOGI). In doing the action, IPP use the Yogyakarta Principles as the instrument. Yogyakarta Principles are the application on the international human rights law related to Sexual Orientation and Gender Identity.