Aventin was a Frankish saint and hermit of the 8th century.
Aventin may also refer to:
People Aventin (given name), a Russian given name Christine Aventin (born 1971), a French-language Belgian writer Diego Aventín (born 1980), an Argentine racing driver Oscar Aventín (born 1946), a retired Argentine race car driver Johannes Aventinus (1477–1534), Bavarian historian
Other uses Saint-Aventin, a commune in the Haute-Garonne department in southwestern France