What was the given name to Spanish explorers?

There wasn't a single given name for Spanish explorers. They were given the same names as any other Spanish people. However, some common names among explorers include:

* Fernando: Famous example: Fernando de Magallanes (Ferdinand Magellan)

* Francisco: Famous example: Francisco Pizarro

* Hernán: Famous example: Hernán Cortés

* Cristóbal: Famous example: Cristóbal Colón (Christopher Columbus)

Keep in mind that these are just a few examples, and many other names were given to Spanish explorers.