: Blood glucose must be maintained in a constant concentration. Hyperglycemia, an increase of blood glucose level, can be a symptom of diabetes mellitus. One of the factors that affect the blood glucose level is physical activity. Low physical activity can be influenced by work. Sedentary lifestyle is identic with office workes. Office workers do not enough time to do physical activity. This study was aimed to describe the fasting blood glucose level among office workers. This was a descriptive study with a cross sectional design. Respondents were obtained by using total sampling method. There were 52 respondents in this study consisted of 25 males and 27 females. The results showed that 45 respondents (86.54%) had normal fasting blood glucose levels, 5 respondents (9.62%) had high fasting blood glucose levels (hyperglycemia), and 2 respondents (3.84%) had low fasting blood glucose levels (hypoglycemia). The maximum value was 243 mg/dL, the minimum value was 63 mg/dL, the median value was 83 mg/dL, the average value was 94.42 mg/dL, and standard of deviation was 37.85 mg/dL. Conclusion: Most office workers had normal blood glucose levels