Pontus or Pontos may refer to:
- Short Latin name for the Pontus Euxinus, the Greek name for the Black Sea (aka the Euxine sea)
- Pontus (mythology), a sea god in Greek mythology
- Pontus (region), on the southern coast of the Black Sea, in modern-day Turkey
- Kingdom of Pontus or Pontic Empire, a state founded in 281 BC
- Diocese of Pontus, a diocese of the later Roman Empire
- Republic of Pontus, a proposed Pontic Greek state discussed in 1919
- Pontus (given name), a Swedish masculine given name
- Pontos (film), a 2008 dramatic short film