Motivation is crucial in learning English as it leads a person to have desire and enthusiasm in learning. The aim of this study is to find out the level of students’ motivation in learning English and to figure out the dominant motivation among the students in MAN 1 Sigli. This research employs survey research which is part of quantitative research. The instrument of this research is questionnaire and used a five-point likert scale as motivation level measurement. The participants of this study are fifty students of the first grade of MAN 1 Sigli. The writer took the sample by using convinience sampling. The findings of this research are; there are 21 students have high motivation and 29 students have moderate motivation which the total score is 3.57. Therefore, in average the students have moderate level of motivation, based on the interpretation from the total score (3.57) of Five-Point Likert scale; and the dominant motivation among the students in learning English is intrinsic motivation which the total score is 3.79, meanwhile the extrinsic motivation score is 3.36 which is interpreted as a moderate motivation level.