The purpose of the study was to identify the effect of workload and supervision on work stres and performance. Sample determination used production department employees in Lamongan Shipyard, which made a total of 134 respondents. The method used partial least squares (PLS). Results of the analysis showed that workload had positively and significantly affect on work stress; workload had positively and significantly affect on performance; supervision had positively and significantly affect on work stress; supervision had positively and significantly affect on work stress; supervision had positively and not significantly affect on performance and lastly, work stress positively and had not significantly affect on performance