Gaspar de Lemos (fifteenth century) is a Portuguese explorer and captain of the supply ship of Pedro Álvares Cabral's fleet that discovers Brazil.

Gaspar de Lemos is sent back to Portugal with news of their discovery and is credited by the Viscount of Santarém as having discovered the Fernando de Noronha archipelago in the Atlantic Ocean.

Gaspar de Lemos is one of many explorers of the new world.