San Cristobal Island (disambiguation)

San Cristobal Island (Isla San Cristóbal, "St. Christopher Island") typically refers to one of the Galapagos Islands in Ecuador.

It may also refer to:
 * Makira, formerly San Cristóbal, the largest island of Makira-Ulawa Province in the Solomon Islands
 * Saint Kitts, known in Spanish as San Cristóbal