The Constitutional Tribunal () of the Republic of Poland is a judicial body established to resolve disputes on the constitutionality of the activities of state institutions; its main task is to supervise the compliance of statutory law with the Constitution.

The Constitutional Tribunal adjudicates on the compliance with the Constitution of legislation and international agreements (also their ratification), on disputes over the powers of central constitutional bodies, and on compliance with the Constitution of the aims and activities of political parties. It also rules on constitutional complaints.

The Constitutional Tribunal is made up of 15 judges chosen by Sejm for nine-year terms. They are fully independent. The Constitutional Tribunal constitutes one of the formal guarantees of a state grounded on the rule of law.

Three judges, appointed by the President of the Tribunal, serve as members of the National Electoral Commission (Act of 12 April 2001 on elections to the Sejm of the Republic of Poland and to the Senate of the Republic of Poland).

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