Police and the family of Fatima Quebe are becoming increasingly concerned for her welfare.
Fatima, who is 13 years old, was last seen at 5.40pm on Thursday, 5 May in the Millburn Street area of Cookstown.
She is described as being approximately 165cm in height, with dark hair, dark eyes and of medium build. She was wearing a maroon dress with stripes, a grey hoodie and Nike trainers.
Police would ask Fatima or anyone who knows of her whereabouts to contact Police at Cookstown on the non-emergency number 101.