Nappa may refer to:
- Nappa (character), a character in Dragon Ball media
- Nappa cabbage or napa cabbage, a type of Chinese cabbage
- Nappa leather, a full-grain leather
- Nappa, North Yorkshire, England
- Nappa, Finland, a village in northern Kymenlaakso
- Antonio Nappa, a character in TV series Oz, played by Mark Margolis