The term Judiciary Act may refer to any of several statutes relating to the organization of national court systems:

Australia

Judiciary Act 1903 The ''Judiciary Act 1903'' (Cth) is an Act of the Parliament of Australia that regulates the structure of the Australian judicial system and confers jurisdiction on Australian federal courts. It is one of the oldest pieces of Australian federa ...

United States

* Judiciary Act of 1789, established the federal judiciary. * Judiciary Act of 1801, also called the

Midnight Judges Act The Midnight Judges Act (also known as the Judiciary Act of 1801; , and officially An act to provide for the more convenient organization of the Courts of the United States) represented an effort to solve an issue in the U.S. Supreme Court during ...

Judiciary Act of 1802 The Judiciary Act of 1802 () was a Federal statute, enacted on April 29, 1802, to reorganize the federal court system. It restored some elements of the Judiciary Act of 1801, which had been adopted by the Federalist majority in the previous Congre ...

, repealed the 1801 Act * Judiciary Act of 1866, gradually reduced circuit and Supreme Court seats * Judiciary Act of 1867, also called the Habeas Corpus Act of 1867, amended sec. 25 of the Act of 1789 regarding Supreme Court review of state court rulings *

Judiciary Act of 1869 The Judiciary Act of 1869 (41st Congress, Sess. 1, ch. 22, , enacted April 10, 1869), formally An Act to amend the Judicial System of the United States and sometimes called the Circuit Judges Act of 1869, provided that the Supreme Court of the Unite ...

, also called the Circuit Judges Act of 1869 *

Judiciary Act of 1891 The Judiciary Act of 1891 ({{USStat, 26, 826), also known as the Evarts Act after its primary sponsor, Senator William M. Evarts, created the United States courts of appeals and reassigned the jurisdiction of most routine appeals from the district ...

, also called the Evarts Act or the Circuit Courts of Appeals Act *

Judiciary Act of 1925 The Judiciary Act of 1925 (43 Stat. 936), also known as the Judge's Bill or Certiorari Act, was an act of the United States Congress that sought to reduce the workload of the Supreme Court of the United States. Background Although the Judiciary A ...

, also called the Certiorari Act or the Judges' Bill * Judiciary Act of 2021, proposal to increase the Supreme Court from nine to 13 members. See Supreme Court of the United States#Size of the court. {{disambiguation