The research aims to improve students' curiosity and mathematical connection ability in Mathematics through the Somatic Auditory-Visual Intellectual learning model. This is a Classroom Action Research consisting of two cycles. The research subject is 22 grade V students of SD Patra Mandiri consisting of 10 male and 12 female students. The research instruments are observation sheets of teachers' activities, students' activities sheets, observation sheets of curiosity, questionnaires, and evaluation sheets. The results of curiosity in cycle I show an average value improvement of 3.22 in cycle I to 3.26 in cycle II. This improvement is also supported by the improvement of students' curiosity observation result, which improves from 86% in cycle I to 93% in cycle II. This means that the students' curiosity in learning activities has been good. Moreover, the evaluation result of students' mathematical connection ability also improves with the average ability of 76.05 and mastery percentage of 78% in cycle I to average ability of 77.05 and mastery percentage of 86% in cycle II. This research result indicates that the implementation of Somatic Auditory-Visual Intellectual (SAVI) is able to improve the students' curiosity and mathematical connection ability in Mathematics of Geometry in Grade V of SD Patra Mandiri, Cilacap Selatan Sub-District of Cilacap.