This research aimed to identify and analyze the major factors affecting the English speaking fluency of Grade 11(6) students at Sangha High School, specifically focusing on Linguistic and Psychological factors, and to determine the level of impact of these factors in the 2021-2022 academic year. The method to use for collecting data was questionnaire by giving the students to answer and analyzed as a descriptive statistic by used a complete program SPSS on the computer. The result showed there are many factors affecting the students’ English-speaking fluency include motivation, enjoyment, self-confident, vocabulary; however, the most linguistic factor is vocabulary, grammar knowledge. And the most psychological factor consists of the factors as follow: motivation, enjoyment, and self-confident. The researchers suggested practicing speaking with native speaker or non-speaker as well as to improve speaking.