word | | Legal system |
| law | Samoa | mixed legal system of English common law and customary law; judicial review of legislative acts with respect to fundamental rights of the citizen |
| law | San Marino | civil law system with Italian civil law influences |
| law | Sao Tome and Principe | mixed legal system of civil law base on the Portuguese model and customary law |
| law | Saudi Arabia | Islamic (sharia) legal system with some elements of Egyptian, French, and customary law; note - several secular codes have been introduced; commercial disputes handled by special committees |
| law | Senegal | civil law system based on French law; judicial review of legislative acts in Constitutional Court |
| law | Serbia | civil law system |
| law | Seychelles | mixed legal system of English common law, French civil law, and customary law |
| law | Sierra Leone | mixed legal system of English common law and customary law |
| law | Singapore | English common law |
| law | Sint Maarten | based on Dutch civil law system with some English common law influence |
| law | Slovakia | civil law system based on Austro-Hungarian codes; note - legal code modified to comply with the obligations of Organization on Security and Cooperation in Europe and to expunge Marxist-Leninist legal system |
| law | Slovenia | civil law system |
| law | Solomon Islands | mixed legal system of English common law and customary law |
| law | Somalia | mixed legal system of civil law, Islamic law, and customary law (referred to as Xeer) |