Latar Belakang: Diabetes melitus menjadi penyebab utama morbiditas dan mortalitas diseluruh dunia, karena beban gejala yang tinggi dan komplikasi jangka panjang. Tujuan: Untuk mengetahui pengetahuan, perilaku latihan fisik, dan kontrol glikemik pada penderita diabetes melitus. Metode: Penelitian ini menggunakan desain penelitian deskriptif dengan pendekatan cross-sectional. Sampel yang digunakan yaitu 92 responden. Teknik pengambilan sampel yang digunakan yaitu non-probability sampling dengan pendekatan total population sampling/total sampling. Penelitian ini dilakukan di Puskesmas I Denpasar Selatan selama 1 bulan. Instrumen yang digunakan yaitu kuesioner yang terdiri dari 37 pertanyaan, glukometer, tensimeter, stadiometer dan timbangan Hasil: Hasil penelitian menunjukkan bahwa pengetahuan penderita diabetes melitus mayoritas baik dengan 82 responden (89.1%). Perilaku latihan fisik mayoritas kategori kurang yaitu sebanyak 65 responden (70.7%). Kontrol glikemik dengan GDP mayoritas tidak terkontrol yaitu 47 responden (51.7%), kolesterol mayoritas kategori normal yaitu 69 responden (75.0%), tekanan darah mayoritas kategori hipertensi yaitu 56 responden (60.9%), dan indeks massa tubuh mayoritas kategori normal yaitu 66 responden (71.7%). Kesimpulan: Sebagian besar penderita diabetes melitus memiliki pengetahuan baik, namun memiliki perilaku latihan fisik yang kurang dan kontrol glikemik yang tidak terkontrol, sehingga diharapkan agar lebih sering melakukan latihan fisik dan lebih menjaga pola makan agar gula darah tetap terkontrol. Kata Kunci : Diabetes, Pengetahuan, Latihan Fisik, Kontrol Glikemik

Background. Diabetes mellitus is a major cause of morbidity and mortality throughout the world. It is due to the high burden of symptoms and long-term complications. The purpose of this study was to identify the knowledge, physical exercise behavior, and glycemic control in type II diabetes mellitus sufferers. Method. This study employed a descriptive research design with a cross-sectional approach. In this study, 92 respondents were recruited as a sample through non-probability sampling from the total population at Public Health Center I South Denpasar for one month. Data were collected using a questionnaire consisting of 37 questions, a glucometer, a tensimeter, a stadiometer, and a scale. Results. Findings indicated that most diabetes mellitus sufferers had good knowledge, with 82 respondents (89.1%). Most physical exercise behavior was poor, with 65 respondents (70.7%). The glycemic control with GDP was uncontrolled primarily with 47 respondents (51.7%). The cholesterol of most respondents was in the average category, with 69 respondents (75.0%). The blood pressure of most respondents was in the hypertension category, with 56 respondents (60.9%), and the body mass index of most respondents was in the average weight, with 66 respondents. (71.7%). Conclusion. Most diabetes mellitus sufferers have good knowledge but poor physical exercise behavior and uncontrolled glycemic control; hence, diabetes mellitus sufferers are expected to do physical exercise more often and maintain their diet more so that blood sugar remains controlled. Keywords: Diabetes, Knowledge, Physical Exercise, Glycemic Control