- For other uses, see Rai.

Rai is a star system in Klingon Empire space, located somewhere in the galaxy's Alpha or Beta Quadrants.
History and specifics
Rai's orbit was the location of a planetary system with a number of orbiting worlds, including fifth planet, Rai V. (ST video game: Starfleet Command III)
- No history or specifics are established for this location in Starfleet Command III, as its name was arbitrarily selected for a Klingon system on the game map by the game software, with random attributes.
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System makeup
- Rai I
- Rai II
- Rai III
- Rai IV
- Rai V