Kemampuan koneksi matematis siswa di indonesia masih tergolong rendah. Salah satu faktor yang berpengaruh adalah self-efficacy siswa. Penelitian ini bertujuan mengetahui kemampuan koneksi matematis siswa ditinjau dari self-efficacy siswa pada materi pola bilangan. Jenis penelitian ini yaitu kualitatif dengan metode analisis deskriptif. Subjek penelitian dipilih dengan teknik purposive sampling, yaitu siswa kelas IX beberapa SMP di Garut yang berjumlah 3 orang. Teknik pengumpulan data yang digunakan adalah angket self-efficacy, tes kemampuan koneksi matematis, wawancara dan dokumentasi. Teknik analisis data yang digunakan yaitu reduksi data, penyajian data dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa siswa dengan self-efficacy rendah memiliki kemampuan koneksi matematis tinggi, siswa yang memiliki self-efficacy sedang memiliki kemampuan koneksi matematis sangat tinggi, dan siswa yang memiliki self efficacy tinggi memiliki kemampuan koneksi matematis sangat tinggi. Dengan demikian kemampuan koneksi matematis secara umum tergolong baik jika ditinjau dari self efficacy. The mathematical connection ability of students in Indonesia is still relatively low. One of the influencing factors is students' self-efficacy. This study aims to determine students' mathematical connection abilities in terms of students' self-efficacy in number pattern material. This type of research is qualitative with a descriptive analysis method. The research subjects were selected by purposive sampling technique, namely the 3rd-grade students of some of the junior high schools in Garut. Data collection techniques used are self-efficacy questionnaires, mathematical connection ability tests, interviews, and documentation. The data analysis technique used is data reduction, data presentation, and conclusion drawing. The results showed that students with low self-efficacy had high mathematical connection abilities, students with moderate self-efficacy had very high mathematical connection abilities, and students with high self-efficacy had very high mathematical connection abilities. Thus, the mathematical connection ability is generally classified as good in terms of self-efficacy.