Tempus is a Latin word meaning time.

Tempus is also a Finnish, Swedish and German word meaning grammatical tense.

Tempus is a deity in the Forgotten Realms fictional universe.

Tempus Publishing A UK based publishing company

Tempus is a time-travel MUD.

In the television series Charmed, Tempus was an upper-level demon who could control time.

In the television series Lois & Clark, Tempus was a time traveling villain from the future.