Grande Terre or Grande-Terre (French, literally "large land") is a French name typically given to the principal island of an archipelago. It may refer to the following:
- Grande Terre (New Caledonia), the main island of New Caledonia.
- The largest of the Kerguelen Islands.
- Grande-Terre, the eastern island of Guadeloupe in the Caribbean
- The main island of Mayotte in the Indian Ocean.