Janis E. Johnston (born 1957)^[1] is an American statistician, sociologist, and book author known for her work on permutation tests in statistics. Johnston earned a Ph.D. in 2006 from Colorado State University, and works as a social science analyst for the Food and Nutrition Service of the United States Department of Agriculture.^[2]

Her books include:

• A Chronicle of Permutation Statistical Methods: 1920–2000, and Beyond (with Kenneth J. Berry and Paul W. Mielke Jr., Springer, 2014)^[3]
• Inequality: Social Class and Its Consequences (edited with D. Stanley Eitzen, Paradigm Publishers, 2007, and Routledge, 2015)
• Permutation Statistical Methods: An Integrated Approach (with Kenneth J. Berry and Paul W. Mielke Jr., Springer, 2016)^[4]
• The Measurement of Association: A Permutation Statistical Approach (with Kenneth J. Berry and Paul W. Mielke Jr., Springer, 2018)
• A Primer of Permutation Statistical Methods (with Kenneth J. Berry and Paul W. Mielke Jr., Springer, 2019)^[5]