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

• Judiciary Act 1903

• Judiciary Act of 1789, established the federal judiciary.
• Judiciary Act of 1801, also called the Midnight Judges Act
• Judiciary Act of 1802, repealed the 1801 Act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, also called the Circuit Judges Act of 1869
• Judiciary Act of 1891, also called the Evarts Act or the Circuit Courts of Appeals Act
• Judiciary Act of 1925, 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.

This disambiguation page lists articles associated with the title Judiciary Act.
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