Background and objective: Non specific occupational related back pain is a common disorder affecting workers. It has multifactorial contributing factors mainly those performing physically demanding task, adopting awkward posture and carry out task is static position for longer period of time. Globally such condition caused serious burden in operation cost and productivity. The aims of study is to evaluate the relationship of sitting posture and occupational related back pain among white collar workers. Methods: This is a cross sectional descriptive types of study. Sitting posture is determined using selfadministered close ended questionnaires. The questionnaires was distributed to workers experienced an occupational related back pain for the past 4 months. Results: A total of 140 respondents involve in this study and had an experience of non specific occupational related back pain. Majority of them is female (50.9%) and work as administration assistance (29.3%). Pain intensity is varies with 75.7% and 17.2% complain of moderate and severe pain respectively. There is no statistically difference (P > 0.05) between sitting posture and occupational related non specific back pain among them. Conclusion: The sitting posture was assessed through self-administer close ended questionnaires and didn't reveal their exact sitting posture at work. Relatively, occupational related non specific back pain is high among them. Preventive measures need to be considered in order to empower employees on safety at workplace.