Killarney is an unincorporated community in southwestern Manitoba, Canada, at the corner of Manitoba Provincial Trunk Highways 3 & 18. The community was formerly an incorporated town before amalgamating with the surrounding Rural Municipality of Turtle Mountain to form the Municipality of Killarney-Turtle Mountain. Killarney is known for the lake situated within the community. Killarney is located in a rural area, dependent primarily on agriculture and agribusiness. It is approximately 20 km (12 mi) from the US border, 100 km (62 mi) south of Brandon and 250 km (160 mi) southwest of the provincial capital, Winnipeg.