Otto can refer to several things:
- A fragrant essential oil, also known as attar.
- A male given name of Germanic origin, meaning "rich".
- A boys name of German origin, meaning "wealth".
- A 2022 American comedy-drama film directed by Marc Forster, about a bitter old man reluctantly getting involved in the lives of his neighbors.
These different meanings show that "Otto" can refer to a variety of things, from a name to a fragrance and even a film.