Protrepticus () may refer to:
Protrepticus (Aristotle), an exhortation to philosophy by Aristotle, which survives in fragmentary form Protrepticus, a work by the Roman writer Ennius Protrepticus, an exhortation to the study of the arts in general by Galen Protrepticus (Clement), an exhortation to Christian conversion by Clement of Alexandria Protrepticus, a work by the Neoplatonist Iamblichus Protrepticus, one of the Idyllia of Ausonius
See also Protrepsis and paraenesis, two closely related styles of exhortation The Hortensius follows the style of a protrepticus.