| Country | Judicial branch |
| Lithuania | Constitutional Court; Supreme Court; Court of Appeal; judges for all courts appointed by the President |
| Luxembourg | judicial courts and tribunals (3 Justices of the Peace, 2 district courts, and 1 Supreme Court of Appeals); administrative courts and tribunals (State Prosecutor's Office, administrative courts and tribunals, and the Constitutional Court); judges for all courts are appointed for life by the monarch |
| Macau | Court of Final Appeal in Macau Special Administrative Region |
| Macedonia | Supreme Court - the Assembly appoints the judges; Constitutional Court - the Assembly appoints the judges; Republican Judicial Council - the Assembly appoints the judges |
| Madagascar | Supreme Court or Cour Supreme; High Constitutional Court or Haute Cour Constitutionnelle |
| Malawi | Supreme Court of Appeal; High Court (chief justice appointed by the president, puisne judges appointed on the advice of the Judicial Service Commission); magistrate's courts |
| Malaysia | Civil Courts include Federal Court, Court of Appeal, High Court of Malaya on peninsula Malaysia, and High Court of Sabah and Sarawak in states of Borneo (judges appointed by the paramount ruler on the advice of the prime minister); Sharia Courts include Sharia Appeal Court, Sharia High Court, and Sharia Subordinate Courts at state-level and deal with religious and family matters such as custody, divorce, and inheritance, only for Muslims; decisions of Sharia courts cannot be appealed to civil courts |
| Maldives | High Court |
| Mali | Supreme Court or Cour Supreme |
| Malta | Constitutional Court; Court of Appeal; judges for both courts are appointed by the president on the advice of the prime minister |
| Marshall Islands | Supreme Court; High Court; Traditional Rights Court |
| Mauritania | Supreme Court or Cour Supreme; Court of Appeals; lower courts |
| Mauritius | Supreme Court |
| Mayotte | Supreme Court or Tribunal Superieur d'Appel |
| Mexico | Supreme Court of Justice or Suprema Corte de Justicia de la Nacion (justices or ministros are appointed by the president with consent of the Senate) |
| Micronesia, Federated States of | Supreme Court |
| Moldova | Supreme Court; Constitutional Court (the sole authority for constitutional judicature) |
| Monaco | Supreme Court or Tribunal Supreme (judges appointed by the monarch on the basis of nominations by the National Council) |
| Mongolia | Supreme Court (serves as appeals court for people's and provincial courts but rarely overturns verdicts of lower courts; judges are nominated by the General Council of Courts and approved by the president) |
| Montenegro | Constitutional Court (five judges with nine-year terms); Supreme Court (judges have life tenure) |
| Montserrat | Eastern Caribbean Supreme Court (based in Saint Lucia, one judge of the Supreme Court is a resident of the islands and presides over the High Court) |
| Morocco | Supreme Court (judges are appointed on the recommendation of the Supreme Council of the Judiciary, presided over by the monarch) |
| Mozambique | Supreme Court (the court of final appeal; some of its professional judges are appointed by the president and some are elected by the Assembly); other courts include an Administrative Court, customs courts, maritime courts, courts marshal, labor courts note: although the constitution provides for a separate Constitutional Court, one has never been established; in its absence the Supreme Court reviews constitutional cases |
| Namibia | Supreme Court (judges appointed by the president on the recommendation of the Judicial Service Commission) |
| Nauru | Supreme Court |
| Navassa Island | void |
| Nepal | Supreme Court or Sarbochha Adalat (chief justice is appointed by the monarch on recommendation of the Constitutional Council; the other judges are appointed by the monarch on the recommendation of the Judicial Council) |
| Netherlands | Supreme Court or Hoge Raad (justices are nominated for life by the monarch) |
| Netherlands Antilles | Joint High Court of Justice (judges appointed by the monarch) |
| New Caledonia | Court of Appeal or Cour d'Appel; County Courts; Joint Commerce Tribunal Court; Children's Court |
| New Zealand | Supreme Court; Court of Appeal; High Court; note - Judges appointed by the Governor-General |