 This paper examined the impact of Nigeria’s non-alignment on its internal security: lessons from the years of civil war. The authors made use of the secondary source of data collection. It was obtained from existing literatures to broaden their horizon in understanding some ideas, while some were very resourceful in building the thesis. It sees foreign policy as the decisions a country takes in respect of its relations with another countries. It observes that Nigeria officially took a non-alignment stance in her foreign policy thrust during the days of Balewa’s government. With this, Nigeria was still Pro-Western in her external relations. The paper seeks to find out the lessons learnt from the Nigerian civil war and how it has positively impacted on the direction of Nigeria’s foreign policy. It concludes that based from lessons of Nigeria’s non-alignment stance of the civil war years, therefore, Nigeria need to adopt more dynamic foreign policy that encompasses her domestic politics (internal stability), economic wellbeing and robust external relations so as to properly fit in the changing global world.