^{Speaking ability is one of the important skills in communication which greatly influenced by a person’s personality. Personality differences, such as extrovert and introvert, can have a significant impact on the way individuals express themselves verbally and interact in various communication sitiations. Understanding the relationship between personality type and speaking ability can help optimize the learning process and make communication strategies more effective. The objectives of this research is to find out how is the speaking ability of extrovert and introvert students and in what aspects of speaking do extrovert and introvert students differ from each other. The speaking assessment from David P. Harris were used in this study. This study used mixed method of qualitative and quantitative reseach approach that examines twenty four students in the fourth semester of Englis education study program. The design of this research is used to conclude the research questions. The instrument used was questionnaire and direct conversation. The results of this study show that the speaking ability of extrovert and introvert students at the fourth semester of Universitas Muhammadiyah Kotabumi differs in that extrovert students get better in speaking ability than introvert students, then the speaking ability of extrovert and introvert students differ in the aspects of vocabulary and fluency, where extrovert students scores in those two aspects are much higher than introvert students.}