Killarney is a town in Southwestern Manitoba, Canada, at the corner of Manitoba Provincial Trunk Highways 3 & 18. The incorporated town is surrounded by the Rural Municipality of Turtle Mountain. It is well known for its lake, situated within the town proper. The town of Killarney is located in a rural area, dependent primarily on agriculture and agribusiness.
The town is approximately 20 kilometres from the US border, 100 kilometres south of Brandon and 250 kilometres southwest of the provincial capital, Winnipeg. The local landscape of the area is common to the Westman area and much of the southern province. The land is mainly flat with gently rolling hills breaking the horizon. Numerous tree lined rivers and streams cross the landscape breaking up vast farm fields. The area is rich in agriculture with many local residents actively farming.