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.