Hannah Ward is from Manchester and was visiting family in Sheffield, when she left at about 10.10pm and hasn’t been seen or heard from since.
Hannah is white, has brown hair, and was wearing pink legging, a black t-shirt and a blue jacket with a white stripe the last time she was seen. She was also carrying a blue/green bag.
A South Yorkshire Police spokesman said: "Have you seen her, or know where she might be?
"Call South Yorkshire Police on 101, quoting incident number 1176 of Friday 13 May 2016."