There are some problems found in students’ speaking ability. Students’ seems not confident to speak English in the class, students have a lack of vocabulary, and the students have low motivation. In addition, motivation is very important for students to improve their speaking in the class. If the students have high motivation in learning, they will be interested in speaking English.The purpose of this research to find out whether or not there is the correlation between students’ motivation and speaking ability of the eleventh grade in SMK Negeri 3 Kotabumi academic year 2020/2021. This research was descriptive correlational study. This research had two variables, they were independent variable (X) which was students’ motivation and dependent variable (Y) was speaking ability. The researcher applied Proportional random sampling technique to determine the sample of the research. The total sample of this research was 37 students. The population in this research was thirteen classes of the eleventh grade in SMK Negeri 3 Kotabumi, which consist of 405 students. The instrument used to collect the data were an oral test and questionnaire of students motivation. The result of this research showed that Ha is accepted with the result of hypothesis test tobserved is greater that ttable which is 15.652 ≥ 1.687, it means that there is significant correlation between students motivation and speaking ability of the eleventh grade in SMKN 03 Kotabumi academic year 2020/2021.