National Road 74 (Greek: Εθνική Οδός 74, abbreviated as EO74) is a single carriageway road in southern Greece.

It connects Pyrgos with Tripoli, via Olympia and Vytina.

It runs through the western and central part of the Peloponnese peninsula, in the regional units Elis and Arcadia.

On its way east, it follows the Alfeios valley past Olympia until Tripotamia, where it starts following the river Ladon upstream.

It passes through mountainous northern Arcadia, through the towns Vytina and Levidi.