Abstrak Dukungan keluarga dalam perawatan penderita diabetes melitus sangatlah penting untuk meminimalkan terjadinya komplikasi, serta memperbaiki kadar gula darah serta meningkatkan kualitas hidup penderita. Tujuan penelitian ini adalah untuk mengetahui hubungan dukungan keluarga dengan self care manajemen pada penderita diabetes melitus. Desain penelitian ini menggunakan studi cross sectional dengan metode analitik korelasi. Pengambilan sampel dilakukan dengan teknik accidental sampling, Kuesioner dukungan keluarga menurut Nursalam dan Self Care menggunakan kuesioner Summary of Diabetes Self Care Activities (SDSCA) kuesioner, Analisis yang di gunakan menggunakan Chi Square. Hasil penelitian diperoleh dari seluruh responden menunjukan mayoritas usia 46-55 tahun sebanyak 32 responden (31,7%), jenis kelamin perempuan sebanyak 79 responden (78,2%), pendidikan terakhir menengah atas sebanyak 55 responden (53,9%), lama menderita diabetes terbanyak 1-5 tahun sebanyak 90 responden (92,2%), adapun nilai p-value yang di dapatkan 0,000 yang berarti ada hubungan dukungan keluarga dengan self care manajemen penderita diabtes melitus dapat di simpulkan penderita diabetes melitus yang didukung oleh keluarga dengan baik akan menambah harapan untuk sembuh sehingga self care manajemen menjadi tinggi dan mau berobat dengan teratur. Disarankan bagi penderita diabetes melitus untuk meningkatkan self care manajemen dalam menghadapi masalah penyakit diabetes melitus. Kata Kunci: Diabetes Melitus, Dukungan Keluarga, Penderita, Self Care Manajemen Abstract Family support in caring for diabetes mellitus patients is very important to minimize complications, as well as improve blood sugar levels and improve the quality of life of patients. The purpose of this study was to determine the relationship between family support and self-care management in diabetes mellitus patients. The design of this study used a cross-sectional study with a correlation analytic method. Sampling was carried out using accidental sampling technique, Family support questionnaire according to Nursalam and Self Care using the Summary of Diabetes Self Care Activities (SDSCA) questionnaire, The analysis used was Chi Square. The results of the study were obtained from all respondents showing the majority of 46-55 years of age as many as 32 respondents (31.7%), female gender as many as 79 respondents (78.2%), the last high school education as many as 55 respondents (53.9%), the longest duration of diabetes is 1-5 years as many as 90 respondents (92.2%), the p-value obtained is 0.000 which means there is a relationship between family support and self-care management of diabetes mellitus sufferers. It can be concluded that diabetes mellitus sufferers who are well supported by their families will increase their hope of recovery so that self-care management becomes high and they want to take medication regularly. It is recommended for diabetes mellitus sufferers to improve self-care management in dealing with diabetes mellitus problems. Keywords: Diabetes Mellitus, Family Support, Sufferers, Self Care Management