Republic of Costa Rica
The Republic of Bulgaria and the Republic of Costa Rica established diplomatic relations in 1970.
The Bulgarian Ambassador in Mexico is accredited to the Republic of Costa Rica.
The Ambassador of Costa Rica in Poland was accredited to Bulgaria until 1993. Costa Rica does not currently have an accredited ambassador to Bulgaria.
Since 2011, Mrs. Radka Marinova has been appointed as Honorary Consul of Bulgaria in Costa Rica with consular district the territory of the country.