Abstract                                                                           This study aimed to explain the potential of mathematical analogy studied from the cognitive style of students in the subject of radical form of class VIII F SMP Negeri 1 Sungai Raya. The research method was descriptive method with case study research. The subjects of this study were 5 students of class VIII F SMP Negeri 1 Sungai Raya 2016/2017 consisted of 1 Independent cognitive field students and 4 students of cognitive field dependent. The results of this study showed that: (1) The potential of mathematical analogy of cognitive style students of Field Independent has a high potential with a percentage of 83.33%; (2) The Potential of mathematical analogy of cognitive style students of Field Dependent has varying potential; 2 students have a high mathematical analogy potential with a percentage of 83.33%; 1 student has the potential of a moderate mathematical analogy with a percentage of 75%; and 1 student has the potential of a mathematical analogy that is very low with a percentage of 41.67%. Keywords: Potential of Mathematical Analogy, Cognitive Style