Greenhill Ogham Stones (CIIC 57–58) are two ogham stones forming a National Monument located in County Cork, Ireland.

[1][2][3] Greenhill Ogham Stones are located 7.4 km (4.6 mi) south-southeast of Mallow.

[citation needed] Greenhill I measures 260 × 72 × 35 cm.

The inscription is TṚENỤ [MA]QỊ MUCOI QRITTI (of Trén/Trian son of the descendant of Creth?

The inscription is CATTUBUTTAS Ṃ[AQI] (of Cathub [son of])[6]