K
- Katherine Young (1901–2005), world's oldest Internet user
- Kenny Young, American songwriter, artist, and producer
- Keone Young (born 1947), American character actor
- Kevin Young (disambiguation)
- Killian Young (born 1987), Irish sportsperson
- Kirsty Young (born 1968), British television presenter
- Korleone Young (born 1978), American professional basketball player
- Kristeen Young, American singer, songwriter and keyboardist
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