3-letter Country Codes Abbreviations and Acronyms
- SLSri Lanka
- SLBSolomon Islands
- SLESierra Leone
- SLVEl Salvador Republic of
- SMRSan Marino Republic of
- SNSingapore
- SOSomalia
- SOLSolomon Islands
- SOMSomalia
- SPSpain
- SPMSaint Pierre and Miquelon Territorial Collectivity of
- SRBSerbia Republic of
- SRISri Lanka
- SSDSouth Sudan Republic of
- STSao Tome and Principe
- ST HELENASaint Helena
- ST&PSao Tome and Principe
- STAPSao Tome and Principe
- SURSuriname Republic of
- SVNSlovenia Republic of
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