Kirsty Hanson from Beeston was last seen at her home address at about 5pm on Friday November 4.
A West Yorkshire Police spokesman said: "Officers are concerned for for her welfare as are her family"
She is described as white, 5ft 2ins tall with brown hair styled in a pony tail.ã€€
She was last seen wearing a dark blue Adidas tracksuit and Nike trainers.
Contact Leeds District CID with information on 101, referencing log 1881 of November 4.ã€€