Beatrice Coughlan from Eden Gate was last seen in the Delgany area on Thursday.
She's 5' foot 3" in height, of slim build with long fair hair which was in a ponytail.
She was wearing dark trousers, black Nike runners, a beige three-quarter length coat and a beige jumper.
Gardaí and Beatrice's family are concerned for her well-being.
Anyone with information is asked to contact Greystones Garda Station.
Most Wicklow Residents Unprepared for Retirement, PTSB Research Finds
Wicklow Property Prices Jump €25,000 In A Year As Supply Tightens
West Wicklow To Receive Major Fire Service Investment Under National Capital Programme
Wicklow to benefit from national investment with two new stations and upgraded equipment to boost emergency response times
Tánaiste Announces €40 Million Investment For Blessington Housing Development
The project will deliver 106 new social homes for families and individuals in West Wicklow.
Major Easter Rail Works Set to Disrupt Wicklow Commuters
Commuters travelling between Wicklow and Dublin are being warned of significant disruption to rail services over the Easter weekend.
8:00pm - 10:00pm
Love Songs on the Coast
Heavy rain shower
High: 10°C | Low: 3°C
Sunny intervals
High: 10°C | Low: 4°C
Heavy rain shower
High: 9°C | Low: 2°C
Heavy rain shower
High: 9°C | Low: 2°C
Light rain shower
High: 9°C | Low: 3°C