This study aims to provide an analysis of the efficiency of self-service kiosks in enhancing customer satisfaction in fast-food establishments. This research study employed a quantitative descriptive approach, utilizing a survey questionnaire distributed to 75 respondents, aged 18-25 enrolled in an anonymous university located in Valenzuela. The sample was selected using a non- probability purposive sampling technique. The research instrument used had various parts in order to determine the main objective of this study. First is to determine the demographic profile of the respondents in terms of age, gender, and year level. Followed by assessing the level of efficiency of self-service kiosks including service, queue length, menu display readability, and order confirmation process. In addition, the speed of transaction, payment process, accessibility, and error handling are the determinants to evaluate the level of customer satisfaction. The study also tested the significant relationship of efficiency and customer satisfaction in determining the efficiency of self-service kiosks. The data has been tallied, analyzed, and interpreted using frequency and percentage distribution, weighted mean, T-test and Pearson R. The results indicated a low negative correlation (r-coefficient = -0.26) between the level of efficiency of self-service kiosks and customer satisfaction. This implies that as the efficiency of self-service kiosks increases, customer satisfaction levels tend to decrease. The null hypothesis of no significant relationship between kiosk efficiency and customer satisfaction was rejected. This research paper provided verifiable attestation of the efficiency of self-service kiosks in enhancing customer satisfaction in fast-food establishments.