The boy died in the early hours of Sunday morning.
A spokesperson for An Garda Síochána has confirmed that Gardaí in Limerick are investigating a single vehicle fatal road traffic collision which resulted in the death of a 16-year-old pedestrian.
The incident occurred at Garraunboy, Adare, Limerick shortly before 4am on Sunday morning (17 November).
According to Gardaí, the boy's body remains at scene and will be removed shortly to Limerick University Hospital where a post mortem will take place.
The driver of the car, a man in his 40s, was uninjured.
The scene is currently preserved and Garda forensic collision investigators will conduct their examination shortly. The N21 at the Newcastle West side of Adare remains closed for the time being.
Gardaí at the Newcastle West station are now appealing for any witnesses to the collision to come forward, particularly any motorists who were travelling in the area at the time and may have dash cam footage.
Anyone with information is asked to contact Newcastle West Garda Station on 069 - 20650, the Garda Confidential Line on 1800 666 111 or any Garda Station.
