The Institutes may refer to the following:
Written works
Institutes (Justinian), a component of the Corpus Juris Civilis Institutes (Gaius), a legal textbook by Gaius, written about 161 AD Institutes of the Christian Religion, a 1536 theological work by John Calvin The Institutes of Biblical Law, a 1973 book by Rousas John Rushdoony The Institutes of Grammar, the standard medieval Latin textbook, written by Priscian in late antiquity
Organizations American Institute for Chartered Property Casualty Underwriters, branded as The Institutes, which administers the Chartered Property Casualty Underwriter (CPCU) professional designation
See also Institutiones (disambiguation)