word | | Legal system |
| law | South Africa | mixed legal system of Roman-Dutch civil law, English common law, and customary law |
| law | Spain | civil law system with regional variations |
| law | Sri Lanka | mixed legal system of Roman-Dutch civil law, English common law, and Jaffna Tamil customary law |
| law | Sudan | mixed legal system of Islamic law and English common law |
| law | Suriname | civil law system influenced by Dutch civil law; note - the Commissie Nieuw Surinaamse Burgerlijk Wetboek completed drafting a new civil code in February 2009 |
| law | Swaziland | mixed legal system of civil, common, and customary law |
| law | Sweden | civil law system influenced by Roman-Germanic law and customary law |
| law | Switzerland | civil law system; judicial review of legislative acts, except for federal decrees of a general obligatory character |
| law | Syria | mixed legal system of civil and Islamic law (for family courts) |
| law | Taiwan | civil law system |
| law | Tajikistan | civil law system |
| law | Tanzania | English common law; judicial review of legislative acts limited to matters of interpretation |
| law | Thailand | civil law system with common law influences |
| law | Timor-Leste | civil law system based on the Indonesian model; note - new penal code based on the Portuguese model was passed by Parliament and promulgated in 2009; new civil code expected to be promulgated ... |
| law | Togo | customary law system |
| law | Tokelau | common law system of New Zealand |