| Ref |
nom du pays |
capitale |
monnaies |
continent |
drapeau |
| SAH | SAHARA OCCIDENTAL les timbres | El Aiaún | peseta = 100 centimes | Afrique |  |
| SKI | SAINT-KITTS les timbres | Basseterre | East Caribbean doillar = 100 cents | Amérique |  |
| SMA | SAINT-MARIN les timbres | San Marino | lira = 100 centesimi, euro = 100 cents (from 2002) | Europe |  |
| SPI | SAINT-PIERRE & MIQUELON les timbres | Saint-Pierre | French franc = 100 centimes, euro = 100 cents (from 2002) | Amérique |  |
| SAV | SAINT-VINCENT les timbres | Kingstown | East Caribbean dollar = 100 cents | Amérique |  |
| SVG | SAINT-VINCENT & GRENADINES les timbres | Kingstown | East Caribbean dollar = 100 cents | Amérique |  |
| SGB | SAINT-VINCENT GRENADINES - BEQUIA les timbres | Port Elizabeth | East Caribbean dollar = 100 cents | Amérique |  |
| SGC | SAINT-VINCENT GRENADINES - CANOUAN les timbres | Charlestown | East Caribbean dollar = 100 cents | Amérique |  |
| SGM | SAINT-VINCENT GRENADINES - MAYREAU les timbres | Old Wall | East Caribbean dollar = 100 cents | Amérique |  |
| SGQ | SAINT-VINCENT GRENADINES - MUSTIQUE les timbres | | East Caribbean dollar = 100 cents | Amérique |  |
| SGU | SAINT-VINCENT GRENADINES - UNION les timbres | Clifton | East Caribbean dollar = 100 cents | Amérique |  |
| SGY | SAINT-VINCENT GRENADINES - YOUNG les timbres | Kingstown | East Caribbean dollar = 100 cents | Amérique | |
| SHE | SAINTE-HELENE les timbres | Jamestown | Saint Helena pound = 100 pence | Afrique |  |
| SLU | SAINTE-LUCIE les timbres | Castries | East Caribbean dollar = 100 cents | Amérique |  |
| SAK | SAKHA-IAKOUTIE (RUSSIE) les timbres | Yakutsk | ruble = 100 kopecks | Asie |  |
| SKL | SAKHALINE (RUSSIE) les timbres | Yuzhno-Sakhalinsk | ruble = 100 kopecks | Asie |  |
| SAL | SALOMON ILES les timbres | Honiara | Solomon Islands dollar = 100 cents | Océanie |  |
| SVA | SALVADOR les timbres | San Salvador | Salvadoran colon = 100 centavos | Amérique |  |
| SAM | SAMOA les timbres | Apia | tala = 100 sene | Océanie |  |
| SAN | SANDA ILE (ECOSSE) les timbres | | pound sterling = 20 shillings, pound sterling =100 pence (from 1970) | Europe |  |
| STH | SAO TOME & PRINCIPE les timbres | Saõ Tomé | dobra = 100 centimos | Afrique |  |
| SAR | SARRE les timbres | Saarbrücken | franc de la Sarre, puis Deutsche Mark, puis euro | Europe |  |
| SEN | SENEGAL les timbres | Dakar | CFA franc = 100 centimes | Afrique |  |
| SER | SERBIE les timbres | Belgrade | Serbian dinar = 100 paras | Europe |  |
| SEY | SEYCHELLES les timbres | Victoria | Seychellois rupee = 100 cents | Afrique |  |
| SHA | SHARJAH les timbres | Sharjah | rupee = 100 naye paise, riyal = 100 dirhams (from 1966) | Asie |  |
| SIB | SIBERIE EST (RUSSIE) les timbres | | ruble = 100 kopecks | Asie |  |
| SIE | SIERRA LEONE les timbres | Freetown | leone = 100 cents | Afrique |  |
| SIN | SINGAPOUR les timbres | Singapore | Singapore dollar = 100 cents | Asie |  |
| SQU | SLOVAQUIE les timbres | Bratislava | Slovak koruna = 100 halierov | Europe |  |
| SLO | SLOVENIE les timbres | Ljubljana | tolar = 100 stotin, euro = 100 cents (from 2007) | Europe |  |
| SMO | SMOLENSK RUSSIE les timbres | Smolensk | ruble = 100 kopecks | Europe |  |
| SOI | SOMALIE les timbres | Mogadishu | Somali shilling = 100 centesimi | Afrique |  |
| SOL | SOMALILAND les timbres | Hargeisa | Somaliland shilling = 100 centisimi | Afrique |  |
| SUD | SOUDAN les timbres | Khartoum | Sudanese pound = 100 piastres | Afrique |  |
| SRI | SRI LANKA (CEYLAN) les timbres | Colombo | Sri Lankan rupee = 100 cents | Asie |  |
| STA | STAFFA ILE (ECOSSE) les timbres | | pound sterling =100 pence | Europe |  |
| SUE | SUEDE les timbres | Stockholm | Swedish krona = 100 öre | Europe |  |
| SUI | SUISSE les timbres | Berne | Swiss franc = 100 centimes | Europe |  |
| SUR | SURINAM les timbres | Paramaribo | gulden = 100 cents, Surinamese dollar = 100 cents | Amérique |  |
| SYR | SYRIE les timbres | Damascus | Syrian pound = 100 piastres | Asie |  |