| Country | System | Color | Stereo |
| Saba and Sarawak | B | PAL | Zweiton D |
| Samoa (Eastern) | M | NTSC | - |
| Samoa (Western) | B | PAL | - |
| San Marino | B,G | PAL | Zweiton B/G |
| Sao Tome | B,G | PAL | - |
| Saudi Arabia | B,G | PAL & SECAM | - |
| Senegal | K1 | SECAM | - |
| Serbia | B,G | PAL | - |
| Seychelles | B | PAL | - |
| Sierra Leone | B,G | PAL | - |
| Singapore | B,G | PAL | Nicam B/G |
| Slovakia | B,D,K | PAL & SECAM | - |
| Slovenia | B,G | PAL | Zweiton B/G |
| Society Islands | K1 | SECAM | - |
| Somalia | B,G | PAL | - |
| South Africa | I | PAL | Nicam I |
| Spain | B,G | PAL | Nicam B/G |
| Sri Lanka | B,G | PAL | - |
| St. Grenadine | M | NTSC | - |
| St. Lucia | M | NTSC | - |
| St. Pierre Miquelon | K1 | SECAM | - |
| St. Vincent | M | NTSC | - |
| St. Kitts | M | NTSC | - |
| Sudan | B | PAL | - |
| Surinam | M | NTSC | - |
| Swaziland | B,G | PAL | - |
| Sweden | B,G | PAL | Nicam B/G |
| Switzerland | B,G | PAL | Zweiton B/G |
| Syria | B | PAL | - |