Institutiones

Institutiones may refer to several works:


 * Institutes of Gaius, legal textbook, written about 161 AD
 * Institutes of Justinian, 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