The task of this paper is to focus on one towering figure in Baptist theology, John Gill (1697-1771), to determine whether and to what extent his ecclesiology is in line with the four marks of the church found in the Nicene creed (one, holy, catholic, and apostolic). Therefore, this paper will examine the writings of John Gill, specifically his Complete Body of Doctrinal and Practical Divinity as well as selections from his Exposition of the New Testament and his Exposition of the Book of Solomon’s Song with relevance to these four marks. The scholarship on Gill is lamentably limited, but this paper will interact with the important work of David Rathel as well as the more recent work of Christopher Green and select chapters from The Life and Thought of John Gill: A Tercentennial Appreciation edited by Michael Haykin. This paper will argue that Gill shows no signs of dismissing any of the four marks of the church found in the Nicene creed as incompatible with a Baptist ecclesiology. On the contrary, in agreement with the Nicene creed Gill puts great emphasis upon the unity and catholicity of the church and affirms the holiness and apostolicity of the church as well.