Nanette M. "Nan" DeRenzi is a former United States Navy officer. She served as the 42nd Judge Advocate General (JAG) of the United States Navy. She assumed that position on July 20, 2012 and held it until her retirement on June 26, 2015. Prior to that, she served as Deputy Judge Advocate General of the Navy (DJAG) from August 2009 to July 2012.