A photo of the missing girl.

A photo of the missing girl. Photo: QPS

Police are asking for help in finding a 14-year-old girl who hasn't been seen since Friday.

The unnamed child was last seen just about 4pm on Friday at the Queen Street Mall wearing her school uniform of a dark green skirt and long sleeved jumper.  

The slightly built girl of African appearance, is about 160cm tall with long black plaited hair.

Anyone with information is asked to call Crime Stoppers on 1800 333 000.