The woman, who was in her 40s, was struck at Ballyhagan in Carbury yesterday evening.
Gardai and emergency services attended but she was pronounced dead at the scene - the car's occupants were uninjured.
The woman's body has been taken to Naas General Hospital where a post mortem will take place.
Gardai are appealing for witnesses to contact them.
Wicklow Based UCD Professor Charged with Harassment
The academic, who lives in Bray, is also accused of illegally accessing student data on the UCD network.
Two New EV Charging Hubs Open For Wicklow Motorists
A study from Chill Insurance last year ranked Wicklow among Ireland's counties with limited EV charging infrastructure.
Adam Corcoran Guilty Of Murder Of Daena Walsh
The young mum, a Roundwood native, was fatally stabbed in a brutal attack by her partner in Co Cork, almost two years ago.
Market Process To Help Deliver DART Services To Wicklow Gets Underway
Rail chiefs are looking to push Wicklow DART transport options
Funding Applications Open for Blessington Groups That Spark Joy
Cairn Community Fund Blessington Launched: applications are open for €20,000 grant for local community groups looking to make real impact
10:00pm - 1:00am
Relaxing favourites with Traic O'Braonain
Low-level cloud
High: 12°C | Low: 5°C
Low-level cloud
High: 13°C | Low: 5°C
Low-level cloud
High: 13°C | Low: 3°C
Low-level cloud
High: 12°C | Low: 3°C
Low-level cloud
High: 13°C | Low: 4°C