Decreased HDL levels are one of diagnosis component of dyslipidemia which is part of the metabolic syndrome. when HDL levels decrease, its role as an anti-atherosclerotic can affect insulin resistance and it can eventually lower urine pH and potentially can cause urinary tract stones formation. The objective of this study is to determine the correlation between HDL Levels and Urine pH in Patients with Urinary Stones. A hospital based cross-sectional study included 52 patients with Urinary Stone who attended urology outpatient clinic in dr. M. Soewandhie General Hospital Surabaya during April-June 2022. HDL levels and Urine pH were recorded. The correlation between HDL levels and urine pH were tested using Spearman’s test. Mean of  HDL levels were 44,96±9,109 mg/dL, and urine pH was 5,7692±0,70336. HDL levels was positively correlated with urine pH (r=0,336, p=0,015). There is a significant correlation between HDL levels and urine pH in patients with urinary stones. This is line with the fact that if HDL levels decrease, the urine pH will also decrease due to the influence of insulin resistance on the metabolic syndrome in patients with urinary tract stones.