This research explain and analyze the relationship between extroverted and introverted personality dimensions and English speaking ability of students in the English Intensive Class by students at Darul Falah Islamic Boarding Besongo Semarang. 35 students of English Intensive Class from grade 1 to 4 were selected from 140 students to participate in this study. Using the revised version of the Eysenck Personality Questionnaire (EPQR-S), subjects were divided into two groups: extroverts and introverts. The assessment of participants' speaking ability is determined by an oral proficiency assessment that refers to the Foreign Service Institute (FSI) of Washington DC which consists of six categories. The findings show that based on the simultaneous test (f-test) and partial test (t-test) it is not significant, it can be concluded that there is no influence between extroverted and introverted personalities on students' speaking ability.