Aim This concept analysis provides an analysis of the concept of food insecurity among college students. The purpose was to support improved identification of the population and allow for targeted assessment and intervention strategies. Background Food insecurity is a problem among college students. College students experience this more than the general population and have a unique set of risk factors and consequences. This requires a comprehensive understanding of this concept to design effective interventions. Design Concept analysis using Walker and Avant. Data Sources Databases were searched for articles in English related to food insecurity among college students. Government reports and gray literature were also reviewed. No date limit was set. Review Methods Articles and reports were read and reviewed. Thirty‐nine sources were included in the analysis. Results Five defining attributes were identified: Lack of sufficient food, negative academic implications, negative physical health impacts, negative psychosocial health impacts, learning to identify, and use food resources. Definitions, antecedents, consequences, and empirical referents are described. Cases are presented. Conclusions The proposed definition expounds upon current definitions and identifies the unique experiences and needs of college students who experience the phenomenon. This allows for early identification and support of college students' needs regarding food.