Henry Probasco (born in Newtown, Connecticut on 4 July 1820; died 25 October 1902) was an American hardware magnate noted for the Tyler Davidson Fountain, Probasco Fountain and the Henry Probasco House.
He had an interest in art and was selected as a "centennial commissioner" from Ohio.Probasco’s rare book collection was purchased by the Newberry Library.
The collection, “some 2,500 volumes purchased for $52,924, included incunabula, Shakespeare folios, Grolier bindings, rare Bibles (among them the King James, first edition), ten early editions of Homer, nine of Dante, and eight of Horace, to mention only a few special works,” was the basis of what would become the library’s major rare book collection.