The objective of this research was to improve the Tenth Grade students speaking ability of SMA Negri 3 Pontianak in the academic year 2021/2022 with the use of Role Play technique. It was a classroom action research which consisted of three cycles. The subjects of this research were students of Tenth Grade B Class. The data were qualitative data, it was collected by observing the teaching and learning process. The data were in the form of observation checklist and field note. The procedures of the research were planning, acting, observing and reflecting. The result of this research showed that use of Role Playing technique, it found that the speaking abilty of the student had singnificant improved, it helped the student to be more braver and confident to speak in English. The fluency and the elements of Role Play itself also helped them to enrich their speaking in English. Keywords: Role Play, Classroom Action Research, Speaking