The Irish state has officially approved the following List of National Monuments in County Cork. In the Republic of Ireland, a structure or site may be deemed to be a "National Monument", and therefore worthy of state protection, if it is of national importance. If the land adjoining the monument is essential to protect it, this land may also be protected.
| NM# | Monument name | Description | Image | Townland | Location |
|---|---|---|---|---|---|
| 645 | Altar (tomb) | Wedge Tomb | Altar | ||
| 314 | Ardskeagh | Church | Ardskeagh | ||
| 301 | Ballybeg | Dovecote | Ballybeg East | ||
| 301 | Ballybeg | Tower | Ballybeg West | ||
| 301 | Ballybeg Abbey | Friary (Augustinian) | Buttevant | ||
| 22 | Templekieran, Clear Island | Church & Cross inscribed pillar | Ballyieragh North | ||
| 425 | Ballinacarriga Castle | Castle | Dunmanway | ||
| 641 | Barryscourt Castle | Castle | Carrigtwohill | ||
| 594 | Blossomfort | Ringfort | Blossomfort | ||
| 558 | Glanworth | Medieval tower | Boherash | ||
| 558 | Glanworth Castle | Castle | Glanworth | ||
| 558 | Rock Abbey, Glanworth | Friary (Franciscan) | Boherash | ||
| 450 | Breeny More | Stone Circle & boulder burials | Breeny More | ||
| 202 | Buttevant Abbey | Friary (Franciscan) | Buttevant | ||
| 233 | Cahervagliar | Ringfort | Cappeen West | ||
| 660 | Carrigagulla | Stone Circle | Ballinagree | ||
| 255 | Carrigaphooca Castle | Castle | Macroom | ||
| 255 | Carrigaphooca | Stone Circle | Carrigaphooca | ||
| 656 | Castledonovan Castle | Castle | Castledonovan | ||
| 281 | Mallow Castle | Castle | Castlelands | ||
| 536 | Clodagh | Standing Stones - Pair | Clodagh, County Cork | ||
| 240 | Conna Castle | Castle | Conna | ||
| 592 | Carntierna | Hillfort & Cairn | Coolcarron, Corrin | ||
| 565 | Coolcoulaghta | Standing Stones - Pair | Coolcoulaghta | ||
| 395 | Coole Upper | Two Churches | Coole Upper | ||
| 600 | Derryarkane | Stone Circle & Standing Stone | Derryarkane | ||
| 296 | Drishane Castle | Castle | Drishane More | ||
| 339 | Dromaneen Castle | Castle | Dromaneen | ||
| 381 | Drombeg Stone | Circle, Hut Site & Fulacht Fiadh | Glandore | ||
| 169 | Sherkin Abbey | Friary (Franciscan) | Sherkin Island | ||
| 374 | Farranahineeny | Stone Row | Farranahineeny | ||
| 284 | Knockdrum Stone Fort | Cashel | Farrandau | ||
| 426 | Ballycrovane | Ogham Stone | Faunkill and the Woods | ||
| 535 | Charles Fort | Star-Shaped-Fort | Summer Cove | ||
| 552 | Greenhill | Ogham Stones | Greenhill | ||
| 502 | Island | Wedge Tomb | Island | ||
| 490 | Kilbolane Castle | Castle | Milford | ||
| 182 | Kilcrea Abbey | Friary (Franciscan) | Ovens | ||
| 316 | Kileenemer | Church | Killeenemer | ||
| 436 | Kilnaruane/Bantry Pillar Stone | Shaft of High Cross | Kilnaruane | ||
| 420 | Knocknakilla | Stone Circle | Macroom and Millstreet | ||
| 318 | Labbacallee wedge tomb | Wedge Tomb | Glanworth | ||
| 18 | Labbamolaga | Church & Grave slabs | Labbamolaga | ||
| 333 | Liscarroll Castle | Castle | Liscarroll | ||
| 571 | Lissacresig | Stone Circle | Lissacresig | ||
| 571 | Lissacresig | Ringfort | Lissacresig | ||
| Maughanasilly | Stone Row | Maughanasilly | |||
| 411 | Castlelyons Abbey | Friary (Dominican) | Mohera | ||
| 525 | James Fort | Star-Shaped-Fort & Blockhouse | Castlepark | ||
| 517 | Kanturk Castle | Castle | Kanturk | ||
| 580 | Skeagh | Ring barrow & Cairn | Skeagh | ||
| Mount Gabriel | Prehistoric Mines | Schull | |||
| 618 | Kinneigh Round Tower | Round Tower | Castletown-Kinneigh | ||
| 21 | Timoleague Abbey | Friary (Franciscan) | Timoleague | ||
| 360 | Desmond Castle or The French Prison, Kinsale | Tower House | Kinsale | ||
| 299 | Tullylease | Church & Grave Slabs | Tullylease | ||
| 634 | Michael Collins birth place | Site with historic associations | Woodfield | ||
| 286 | North Abbey, Youghal | Friary (Dominican) | Youghal |
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