<b>Ensuring National Integration, Peace and Security in Nigeria through Qualitative Language Education</b> The thrust of this paper is to show how inappropriate use of language could threaten national integration, peace and security while appropriate use could enhance them. Plato believed that education should aim at producing the best type of citizen both for war and peace. Qualitative language education could serve as a panacea to an endearing national integration, peace and security in Nigeria. Language use in an interpersonal relationship is like a double edged sword. It could be used to destroy as well as to mend. Nigeria is currently bereft with many crises some of which have been alleged to be connected to inappropriate use of language by politicians, ethnic and religious leaders. This paper examines how inappropriate use of language could threaten national integration, peace and security in Nigeria. The paper recommends, among others, that government should put in place appropriate language education mechanism for the citizenry to improve their communicative competence. Language Education, National Integration, Peace, Security. 250-257 Issue-1 Volume-2 Clement Gowon Omachonu PhD