The Day of Melilla is a public holiday peculiar to the Spanish sovereign city, Melilla. It is observed annually on the 17th of September, where it is a day off for the general public, and the majority of organizations and businesses are closed. Nonetheless, some bakeries and grocery stores are generally open. Whereas public transports usually run to a reduced timetable.

The celebrations of the Day of Melilla are usually quiet, where most people favor either spending the day in tranquility; or with family, relatives, and friends. Notwithstanding, some people exploit the day to voice their opinions apropos the autonomy of Melilla; pleading that Melilla should be part of Morocco instead of Spain.