ABSTRAK Gangguan yang terjadi pada pekerja salah satunya adalah gangguan musculoskeletal yang disebabkan oleh disfungsi otot rangka biasanya disebut juga dengan Low Back Pain (LBP). Nyeri ini umumnya terjadi di daerah lumbal atau lumbosakral, yang memanjang dari tepi bawah tulang rusuk ke-12 hingga lipatan gluteal. Tujuan penelitian untuk mengetahui Faktor Yang Berhubungan Dengan Kejadian LBP Pada Tenaga Kerja Bongkar Muat Sawit Kabupaten Aceh singkil. Jenis penelitian kuantitatif analitik yang dilakukan di PT X Kabupaten Aceh Singkil. Desaian penelitian ini cross-sectional. Populasi dalam penelitian yaitu pekerja bongkar muat sawit sebanyak 65 pekerja. Variabel dependen dalam penelitian ini adalah Low Back Pain sedangkan variabel independen yaitu usia, masa kerja, aktivitas fisik, beban kerja, repetisi, waktu istirahat, ergonomi, IMT dan perilaku merokok. Teknik pengumpulan data pada penelitian yaitu wawancara dan observasional. Alat pengumpulan data menggunakan kuesioner. Hasil penelitian menunjukkan adanya hubungan signifikan antara LBP dengan usia (p=0,010), IMT (p=0,016), berat sawit (p=0,001), peregangan (p=0,000), durasi peregangan (p=0,019), olahraga (p=0,000), durasi olahraga (p=0,007), repetisi (p=0,001), frekuensi repetisi (p=0,001), durasi istirahat (p=0,004), lembur (p=0,000), frekuensi LBP (p=0,002), desain alat kerja (p=0,017), postur tubuh (p=0,019), dan lingkungan kerja aman (p=0,001), berdasarkan temuan tersebut, direkomendasikan agar perusahaan menyelenggarakan pelatihan ergonomi, menyediakan alat bantu angkat, melakukan pemeriksaan kesehatan berkala, mengembangkan program gizi dan aktivitas fisik, menerapkan rotasi kerja dan penyesuaian jadwal, serta memperbaiki desain alat dan lingkungan kerja sesuai standar ergonomi. Kata kunci: Faktor risiko, Low Back Pain, Pekerja ABSTRACT One of the disorders that occur in workers is musculoskeletal disorders caused by skeletal muscle dysfunction, commonly known as low back pain (LBP). This pain generally occurs in the lumbar or lumbosacral region, which extends from the lower edge of the 12th rib to the gluteal fold. The objective of this study is to identify factors associated with the occurrence of LBP among palm oil loading and unloading workers in Aceh Singkil District. This is a quantitative analytical study conducted at PT X in Aceh Singkil District. The study design is cross-sectional. The study population consists of 65 palm oil loading and unloading workers. The dependent variable in this study is Low Back Pain, while the independent variables are age, work experience, physical activity, workload, repetition, rest time, ergonomics, BMI, and smoking behavior. The data collection techniques used in this study are interviews and observations. The data collection tool used is a questionnaire. The results of the study showed a significant association between LBP and age (p=0.010), BMI (p=0.016), oil palm weight (p=0.001), stretching (p=0.000), stretching duration (p=0.019), exercise (p=0.000), exercise duration (p=0.007), repetitions (p=0.001), repetition frequency (p=0.001), rest duration (p=0.004), overtime (p=0.000), frequency of LBP (p=0.002), work tool design (p=0.017), body posture (p=0.019), and safe work environment (p=0.001). Based on these findings, it is recommended that companies conduct ergonomics training, provide lifting aids, conduct regular health checks, develop nutrition and physical activity programs, implement work rotation and schedule adjustments, and improve tool and work environment design in accordance with ergonomic standards. Keywords: Risk factors, Low Back Pain, Workers