Usman, Abu TomShawai., Joseph2023-12-142023-12-142017-03-12Centre for Democracy and Development (CDD) Report on the 2015 Presidential and National Assembly Elections. Abuja. Egwu, S. (2014), "Farewell to Electoral Authoritarianism? Pathway to democratic consolidation in Nigeria" in B.N. Makodi (Ed). The State and the Global Economic crisis. A publication of the Nigerian Political Science Association. Egwu, S. (2014), "Nigeria's 2015 Election: General Outlook and Challenges," West Africa insight Vol. 4, No. 4: Centre for Democracy and Development (CDD) Abuja. Egwu, S. (2015), Technology of Power and Dramaturgy of Politics: Ethnicity and Democracy in Nigeria's Fourth Republic. Unijos Inaugural Lecture Series 72; July 9. Jega, A. (2006), Democratization in Nigeria: Problems and Prospects, Abuja. Jibrin, I. and Dauda, G. (2010), A Study of the Independent National Electoral Commission of Nigeria. CODESRIA Research Reports, No.l. Kukah, M. (1999), Democracy and Civil Society in Nigeria. Ibadan: Spectrum. Nigeria Civil Society Situation Room-March 31,2015. Daily Trust 26th August, 2014. Daily Trust, Friday; January 23,2015. Daily Trust, Thursday, April 9,2015. Daily Trust, Tuesday, Feb. 3,2015. Daily Trust, Wednesday, Feb. 4,2015. 205https://keffi.nsuk.edu.ng/handle/20.500.14448/6856All over the world, especially in democratic countries, periodic elections and constitutional guarantee of civil and political liberties is fundamental to liberal democracy. To this end, elections lies at the heart of representative democracy and constitute a mirror of the people's understanding and appreciation of democratization norms. When free, fair and transparent, they confer credibility and legitimacy on the outcome. Nigeria's electoral history has always been marked by various levels of irregularities and violence, with serious implications for the nation's stability and democratic consolidation. The civil society organizations all over the world advocate for democratic governance and credible elections, the countdown to the 2015 elections in Nigeria witnessed the most active mobilization of ethno-regional constituencies and groups with claims and counter-claims and the prediction about the disintegration of Nigeria against the background of several socioeconomic, political and security challenges. To this, the Civil Society Organizations (CSOs) collectively took up the task of engaging with stakeholders to ensure free, fair and credible electoral process towards democratic consolidation. This paper attempt to evaluate various roles played by the Civil Society Organizations (CSOs) in the 2015 electioneering process and its impact on the conduct of the elections. Data were generated from secondary sources and analyzed qualitatively using historical approach. The paper concludes that civil society organizations in Nigeria have had considerable influence on enthroning accountability and responsiveness in governance as well as democratic consolidation.enArticle