Giant's Grave may refer to:

• Giant's Grave, a district within the Briton Ferry West electoral ward, Neath Port Talbot, Wales

• "Giant's Grave", a folk song about the docks at Briton Ferry

• Graves of Giants, enormous tombs, megalithic structures in Kuyavia, Poland

• Giants' grave, a type of Sardinian megalithic gallery grave built during the Bronze Age by the Nuragic civilization

• Giant's Grave, an archaeological site in County Antrim
• Giant's Grave, a tumulus in Coventry
• Giant's Grave, two standing stones near Black Combe, Cumbria
• Giants' Graves, two Neolithic chambered tombs on the Isle of Arran in Scotland
• Giant's Grave, a promontory fort and cliff castle near the village of Oare in Wiltshire
• Giant's Grave, a feature of the prehistoric site at Parc Cwm long cairn, Swansea, Wales

• Giants Grave F.C., an amateur Welsh football team based in Giant's Grave, Neath Port Talbot, Wales