PLANET
Chaltok IV
Classification:	Class M
Affiliation:	Romulan Star Empire (subject world)
Location:	Chaltok system, Beta Quadrant
Dominant Species:	Romulan

Chaltok IV was a planet in Romulan space, the fourth planet in the Chaltok star system.

Chaltok IV housed a Romulan research outpost in the 2260s. The planet was almost destroyed in a polaric ion energy explosion, which led to the signing of the Polaric Test Ban Treaty in 2268. (VOY episode: "Time and Again")