This paper examines the means through which Information and communication technologies and knowledge integration could be used to achieve national integration in Nigeria. The paper establishes that the 21st century is the most advanced and sophisticated era in human history. This is the period of rapid explosion in knowledge information across the globe. In this information age, knowledge is the global currency while ICT is conceived as the driver. Therefore integrating the large pool of knowledge is task that requires apt. the presence of ICT is considered a veritable tool to enhance integration of knowledge. Social development could be achieved by the collaboration of these two factors. This can be done using education as the background. We submitted that if the challenges bedevilling the use of ICT and knowledge integration in Nigeria are surmounted then social development in Nigeria will be achieved.