- Samoa
- San Marino
- Saudi Arabia
- Senegal
- Serbia
- Seychelles
- Sierra Leone
- Singapore
- Slovakia
- Slovenia
- Solomon Islands
- Somalia -- High Risk (Consult Risk Services)
- South Africa
- South Korea
- South Sudan -- High Risk (Consult Risk Services)
- Spain
- Sri Lanka
- Sudan
- Suriname
- Swaziland
- Sweden
- Switzerland
- Syria -- High Risk (Consult Risk Services)