Institutiones may refer to several works:

• Institutes of Gaius, legal textbook, written about 161 AD
• Institutes of Justinian, Latin: Institutiones Justiniani or "Justinian's Institutes", sixth century, largely based upon the Institutes of Gaius
• Institutiones Divinarum et Saecularium Litterarum, an encyclopedic work by Cassiodorus, sixth century
• Institutio canonicorum Aquisgranensis, Institutiones Aquisgranenses, the Instruction of canons of Aachen, disseminated in 816
• Institutiones calculi differentialis, Leonhard Euler, published 1755

• Institute (disambiguation)
• The Institutes (disambiguation)

This disambiguation page lists articles associated with the title Institutiones.
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