Palatius, Joannes an ecclesiastical writer of the 17th century, of whose personal history nothing is accessible to us, is the author of a history of the popes, entitled Gesta Pontificum Romanorum a S. Petro usque Innocentium XI, addit. Pontificum imaginibus numismatib. sigillis, etc. (Venetia, 1685, 2 vols. fol.). It is a very exhaustive but not a critical work. Palatius is also the author of Fasti Cardinalium omniumn Romance eccles. cum stemmatib. eorum (ibid. 1703, 2 vols. fol.).