Abstract-Authentic assessment is the process of gathering information from multiple and diverse sources in order to develop a deep understanding of what students know, understand, and can do with their knowledge and skill as a result of their educational experiences. Junior High School' teachers still have problems in using authentic assessment for assessing students' achievement. Therefore, appropriate model of authentic assessment should be developed and teachers' and students' need on authentic assessment should be analysed. This article aims to find out the students' and teachers' need on authentic assessment to assess speaking skills of junior high school students. This is a survey research and the data were collected through questionnaire from 40 students, interview 2 English teachers, and document analysis. The findings show that (1) the characteristics of authentic assessment needed by the teachers and students are simple and familiar with daily life, clear rubric score, communicative, and conducted continually; (2) there are four types of authentic assessment needed by students and teachers to assess speaking skills, they are brief question and answer, pair dialogue, oral report, and story retelling, and; (3) the text types of authentic assessment needed are monolog text, short functional text, functional text, transactional text, and interpersonal text.