Madaysha was reported missing from her Burwood home and was last seen on May 12.
She is of medium build and had dyed dark red hair at the time she went missing.
Madaysha was last seen wearing a Raiders flannel hat, a black Originals Hoodie and black tights.
She has not been in contact with the family and there are concerns for her welfare.
Anyone who has seen Madaysha or has information about where she might be, should get in touch with police on 105 and refer to file number 220513/8936.