Louise Scannell was last seen on Ringmahon Road in Mahon on the 26th of May.
She is described as being 4 foot 11, of slight build, with black hair and brown/green eyes.
When last seen she was wearing a grey hoodie, navy tracksuit pants and a pair of Ugg boots.
Anyone with information is asked to contact Blackrock Garda Station or any other station.
