Police have asked anyone with information to contact the Regional Missing Person Unit of Kowloon West.
She went missing from her Mong Kok home on April 9.
Hong Kong police made a public appeal on Sunday for help in the search for a 13-year-old girl who was reported missing earlier this month.
Chan Ka-yi went missing after she was last seen leaving her residence in Maple Street the night in April. Her family made a report to police on the April 9.
According to police, Ka-yi is 1.6 metres tall, weighs 36 kilograms and is of thin build with a pointed face and long, black hair. She was last seen wearing a white T-shirt, grey shorts, white sports shoes and carrying a transparent shoulder bag.
Police have urged anyone with information to contact officers at the Regional Missing Person Unit of Kowloon West on 3661 8038, 9020 6542 or email to [email protected], or contact any police station.