Gary Gillette is an American baseball author, editor, historian, and analyst known for his extensive work in advanced baseball metrics, historical research, and publishing. Active since the early 1980s, he has contributed to numerous books, encyclopedias, websites, and databases, often collaborating with other leading figures in sabermetrics and baseball scholarship. Gillette’s work frequently centers on the business of baseball, the history of the Negro Leagues, and the legacy of Detroit baseball, including the Detroit Tigers and the Detroit Stars.