Turkana system
The Turkana system was an inhabited planetary system in the Beta Quadrant. An Earth colony was established on Turkana IV. This colony disintegrated into internecine warfare and eventually severed relations with the Federation. 

In 2259, the location of this system was labeled on a stellar cartography chart that was seen on the 's ready room viewscreen. This system's symbol had a blue color, indicating that it was affiliated with the . () 

In 2352, the crew of a Starfleet starship rescued Tasha Yar from Turkana IV. ()

In 2361, the starship  visited the system. The colonists issued a warning to the starship captain not to beam any of his crew down. ()

In 2367, the  entered this system in response to a distress call from the freighter Arcos. ()

In 2371, the location of Turkana IV was labeled in the star chart Data and Picard were studying in stellar cartography aboard the . ( display graphic)

In 2399, the location of Turkania was labeled on a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters. This system was in or near to Federation space. ()

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Star systems