Courtney Booth, from Stainforth, was last spoken to at around 3.30pm on Saturday and South Yorkshire Police said officers are '˜growing increasingly concerned' for her welfare.
CRIME: Police probe into Sheffield Centertainment murder continues It is thought she may have travelled to Harrogate.
Courtney isÂ white,around 5ft 2insÂ tall, slim and of aÂ petite build.
She has light brown-reddish hair and was last seen wearing dark, skinny jeans, a jumper andÂ black Nike trainers.
Anyone with information should callÂ South Yorkshire Police on 101 andÂ quoting incident number 1,073 of Saturday, September 22.