Fast food is a type of food with the presentation of a fast, practical, easy to obtain, attractive appearance and can improve the social status of someone who consume them. Based on the results of a survey conducted by Nilsen in 2008, data shows that 69% of urban communities in Indonesia consume fast food, with the following details: 33% stated as lunch, 25% dinner, 9% said food interlude and 2% breakfast.The purpose of this study to determine the relationship between fast food consumption patterns with nutritional status of adolescents in SMA N 5 Denpasar. The research design used was observational research using cross sectional design. The number of samples is 90 people. Using Spearman correlation test. Characteristics of the sample are male sample counted 46 people and female 44 people. The highest number of samples in the age group of 15-16 years is 75.5%. Based on the results of research shows that high school adolescents N 5 Denpasar from 90 students mostly consume the type of fast food in the low category that is as much as 78.9%. Fast food frequencies are mostly in the frequent category of 58.9%. Fast food consumption level is mostly in the less of 85.6% and fast food consumption is mostly in the less than 82.2%. The nutritional status of adolescents mostly has normal nutritional status of 67.8%. Result of correlation test of the significant correlation between fast food consumption level and fast food consumption level with nutritional status showed value (p≤0,05), while fast food type and frequency was not significant with result of analysis (p≥0,05) . It can be concluded that there is only a significant relationship between the level of energy consumption and fast food fat with nutritional status, whereas there is no significant relationship between type, frequency of fast food with adolescent nutritional status.