Nadia Ghazzali (born April 3, 1961) is a Canadian statistician, the former president of the Université du Québec à Trois-Rivières, where she continues to work as a professor in the department of mathematics and computer science.[1] As a statistician, she is known for her work on NbClust, a package in the R statistical software system for determining the number of clusters in a data set.[2]