San Martino Primo Papa is a modern parish church at Via Veio 37, south-east of St John Lateran and near the San Giovanni metro station.
The dedication is to Pope Martin I.
It was designed by Giuseppe Russo Rocca, and completed in 1965. It is on the ground floor of an apartment block, and has no distinguishing external architectural features. The Modernist interior is rather claustrophobic, as the ceiling is low. The latter is quite interesting, as it is vaulted in three longitudinal planes, but the rest of the interior is not.