Kya (or variations) may refer to

• Tya or kya, an acronym for "thousand years ago" once used in astronomy, geology, and paleontology as a unit of time to denote length of time before the present.
• KYA Radio, a San Francisco, California– radio station, now KOIT.
• Kya Sand, Gauteng, a suburb of Johannesburg, South Africa.
• Kya: Dark Lineage, a video game for the PlayStation 2 home videogame system

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