Tetraevangelion (Greek: τετραευαγγέλιον, "Four Evangelia/Gospel Books"; Georgian: ოთხთავი, ot'kht'avi; Old Slavonic: благовѣствованиѥ; Bulgarian: Четвероевангелие; Serbian: Четворојеванђеље) is a name used in Eastern Orthodox terminology for the Canonical gospels of the Four Evangelists.
Examples of notable medieval manuscripts include: