The study is aimed to analyze the National insecurity and challenges on food Security in Nigeria, taking Jigawa State as a case study. The incidence of food insecurity is particularly devastating in developing countries and a lot of resources are being channeled towards programs aimed at eradicating food insecurity by various international organizations and governments of developing nations. The objectives of the study were to describe the socio-economic characteristics of the farmers, determine food security status and security challenges affecting food security in the study area. The total population of fifty (50) from five local government areas of the state were randomly selected and use in the study. The instrument used for data collection was questionnaire. The data collected were analyzed using frequency and simple percentage for answering the research questions. The study finds out that the lingering national insecurity has affected farming activities in some part of the state there by making the respondent food insecured. The study recommended that government should take all necessary means to curtail the occurrence of banditry, farmers-herders conflicts and all other form of criminal activities to ensured peaceful coexistence among citizens.