Nigeria being a peacekeeping country has been involved in peacekeeping operations since her Independence in 1960 both in Africa and the world around. Premise on the above, the paper examined Nigeria in Congo international peacekeeping operations. The study is based on liberal peace theory. The study adopted a systematic qualitative technique. It involved secondary source of data where data for analysis were sourced from newspapers, relevant books, journals, publications and the internet, It was discovered that Nigeria is yet to optimize its longerstanding participation in peacekeeping internationally due to lack of policy and institutional coherence of political strategies and to some extent operational levels. It has equally been noted that Nigeria has utilized international peacekeeping as a foreign policy tool which has not yielded commensurate benefit to her.