The Constitutiones Sanctæ Matris Ecclesiæ (), informally known as the Constitutiones Aegidianae (English: Egidian Constitutions, Italian: Costituzioni egidiane), were six books of law which formed the first historic constitution of the Papal States.
The Ecclesiastical Constitutions of the Holy Mother Church (), colloquially referred to as the Egidian Constitutions (English: Egidian Constitutions, Italian: Costituzioni egidiane), were six books of law that comprised the first historical constitution of the Papal States.