"Juvenile" may refer to:
* A juvenile (organism) is an individual organism after birth (hatching, germination, ''etc''.), but has not yet reached its adult form, maturity or size.
* juvenile (law), a legal term referring to a minor
* Juvenile fiction, a term referring to children's literature
* Juvenile (rapper), a rap artist.
* ''Juvenile'' (film), a Japanese science-fiction movie directed by Takashi Yamazaki.