CETI or Ceti may refer to:
- Genitive word used to identify the stars belonging to the constellation Cetus
- Communication with extraterrestrial intelligence
- Centro de Enseñanza Técnica Industrial
- Cetí, a fish from Puerto Rico
- Project CETI, an international initiative to understand the communication of sperm whales
This disambiguation page lists articles associated with the title CETI.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: