In a statement police said 13-year-old Kyah had been missing since last Monday and was last seen in the Bluff area.
She was wearing a white hoodie, black pants, white shoes and a black Nike backpack.
Police believe her to be in the Invercargill, Edendale or Mataura areas, and are asking for anyone with information to contact them.
- Phone 111, quote file number 240702/1378.