This study focused on examining the question of national security for sustainable development of the North-East geo-political Zone of Nigeria. Security of life and property has been recognized by scholars as the primary condition for progress and sustainable development of any society. This study therefore examined the necessity for the existence of economic security, environmental security and personal security as variables for national security. Three research hypotheses were formulated to guide the study while Five hundred residents of the North-East Zone of Nigeria were sampled at random but with equal representation across the most volatile states of the zone, for the study. Thirty (30) items researcher developed questionnaire was validated by experts, tested for reliability and used to collect data from residents. The data collected from the sample were subjected to statistical analysis using Pearson Product Moment Correlation analysis. Findings revealed that there is a significant relationship between national security and sustainable development. Consequently the study recommend that more emphases should be placed on a comprehensive approach to security issues in the affected areas through the formulation and enactment of a national security policy for sustainable development in the North-East geo-political zone of Nigeria.