John of Caithness (Medieval Gaelic: Eoin; Norse: Jon; Latin: Iohannes) is the second known bishop of Caithness, based then at Halkirk.
John of Caithness, also known as Eoin in Gaelic, Jon in Norse, and Iohannes in Latin, was the second recorded bishop of Caithness, residing at Halkirk during his time.