Gardaí are investigating a burglary at the shop and post office in Glenflesk.
The incident in Glenflesk occurred at 1.30 this morning; the premises was damaged during the break-in and a number of items were stolen.
This is the third break-in to a post office in Kerry within five days.
On Friday, an attempted armed robbery took place in Killarney Post Office; a man entered the business armed with a shotgun and demanded money and threatened the staff.
Gardaí are also investigating a burglary at Headford Post Office, near Killarney, which occurred around 11.30pm on Thursday.
Gardaí say investigations are ongoing.