- For other uses, see RIS Impavidus.
The RIS Impavidus was a Romulan Star Empire warbird starship, a D'deridex-class dreadnought in Romulan Imperial Fleet service in the 24th century, in the 2370s decade. This ship was in active service around the year 2379. (ST video game: Starfleet Command III)
- No history or fate is established for this vessel as its name was randomly selected for a warbird vessel by the game software.