The man in his 20s, who was killed in a road traffic collision at Calfmount near Killarney early this morning, has been named.
Joshua Kamara Lynch from Barraduff village was pronounced dead at the scene of the single vehicle crash on the N72.
The road from Lissivigeen roundabout to Barraduff has reopened in the past few minutes.
Gardaí are appealing for road users who were travelling on the road between 1.45 and 2.20am, including those with camera footage, to come forward.
Anyone with any information is asked to contact Killarney Garda Station on 064 667 1160, the Garda Confidential Line on 1800 666 111, or any Garda Station.
Investigations are ongoing.