This article lists diplomatic missions resident in the City of San Marino. At present [when?], the microstate hosts three embassies. Many other countries have ambassadors accredited to San Marino, with most being resident in Rome. Some countries, while accrediting an ambassador from Rome, conduct day-to-day relations and provide consular services from consulates general in nearby Italian cities, such as Milan or Florence, or employ honorary consuls; at present [when?], there are eight honorary consulates located in San Marino: Austria, Bulgaria, Croatia, France, Japan, Mexico, Monaco and Romania.

Resident in City of San Marino unless otherwise noted

•  Holy See
•  Italy
•  Sovereign Military Order of Malta (Falciano)

•  Austria
•  Bulgaria
•  Croatia
•  France
•  Japan
•  Mexico
•  Monaco
•  Romania
•  Russia

(Resident in Rome unless otherwise noted)

•  South Ossetia^ ^[3]

• List of diplomatic missions of San Marino

¹ South Ossetia unilaterally declared independence in 1992. Russia recognized the country in 2008. San Marino has not recognized the independence of South Ossetia. Nevertheless, both countries have informal relations.