Aventinus may refer to:
Places:
- Aventinus, Latin name of Abensberg, Germany
- Aventine Hill, named after Aventinus, king of Alba and Latium
Persons:
- Aventinus (mythology), son of Hercules and Rhea
- Aventinus of Alba Longa, descendant of Aeneas, king of the Latins (future Rome site)
- Saint Aventinus (d. c 537), disciple of St. Loup
- Aventinus of Tours (d. 1180), hermit and saint
- Johannes Aventinus, Bavarian historian and philologist
Others:
- Aventinus (beer), a wheat doppelbock brewed by G. Schneider & Sohn, in Bavaria, Germany