<b>Effect of Product Quality and Service Quality toward Customer Satisfaction Case Study at K UNCLE Restaurant at PT. Benua Penta Global </b> This research was conducted aimed at 1 Knowing the quality of products at Uncle K Restaurants, 2 Knowing the quality of services at Uncle Restaurants, 3 Knowing the influence of product quality on customer satisfaction at Uncle K Restaurants, 4 Knowing the influence of service quality on customer satisfaction at Uncle K Restaurant, 5 Knowing simultaneously simultaneously the influence of product quality and service quality on customer satisfaction at Uncle K. Restaurant. This research is a quantitative descriptive method that uses numbers, starting from data collection, interpretation of the data, and the appearance of the results. The population in this study was consumers of Uncle K Restaurant during the study. The size of the research sample taken as many as 80 people is determined by the sample technique used in this study, namely, random sampling simple random sample sampling technique is named so because in taking the sample, researchers mix the subjects in the population so that all subjects were considered the same and data were collected using a Likert scale questionnaire that had 5 alternative answers. The results of this study indicate that 1 Product quality has a positive effect on customer satisfaction at Uncle K Restaurant, 2 Service quality has a positive effect on customer satisfaction at Uncle K Restaurant, 3 There is a positive influence between product quality and service quality to customer satisfaction in Uncle K Report with a correlation coefficient R of 0.728 and a coefficient of determination R 2 of 0.529. This means that 52.9 of customer satisfaction in Uncle K Restaurant are influenced by product quality and service quality, while the other 47.1 is determined. product quality, service quality, and customer satisfaction 1186-1193 Issue-6 Volume-3 Robinson Nainggolan | Marasi Rustiani Hotmaida | Arisman Parhusip