Johann Christoph Wichmannshausen (October 3, 1663 – January 17, 1727) was a 17th-century German philologist.

His dissertation, titled Disputationem Moralem de Divortiis Secundum Jus Naturae (Moral Disputation on Divorce according to the Law of Nature), was written under the direction of his father in law[1] and advisor Otto Mencke.

Among the books he published are De extinctione ordinis Templariorum (The extinction of the Templars), 1687[2] and many short works on aspects of the Old Testament.

Today, Wichmannshausen is best known as part of a line of scientific genealogy stretching from Mencke to Gauss and to many other mathematicians.

As of 2015, the Mathematics Genealogy Project lists 88523 of his academic descendants.