word | | Legal system |
| English | Seychelles | mixed legal system of English common law, French civil law, and customary law |
| English | Sierra Leone | mixed legal system of English common law and customary law |
| English | Singapore | English common law |
| English | Sint Maarten | based on Dutch civil law system with some English common law influence |
| English | Solomon Islands | mixed legal system of English common law and customary law |
| English | South Africa | mixed legal system of Roman-Dutch civil law, English common law, and customary law |
| English | Sri Lanka | mixed legal system of Roman-Dutch civil law, English common law, and Jaffna Tamil customary law |
| English | Sudan | mixed legal system of Islamic law and English common law |
| English | Tanzania | English common law; judicial review of legislative acts limited to matters of interpretation |
| English | Tonga | English common law |
| English | Trinidad and Tobago | English common law; judicial review of legislative acts in the Supreme Court |
| English | Turks and Caicos Islands | mixed legal system of English common law and civil law |
| English | Tuvalu | mixed legal system of English common law and local customary law |
| English | Uganda | mixed legal system of English common law and customary law |
| English | United States | common law system based on English common law at the federal level; state legal systems based on common law except Louisiana, which is based on Napoleonic civil code; judicial review of legislative ... |
| English | Vanuatu | mixed legal system of English common law, French law, and customary law |