Killarney is an unincorporated community in southwestern Manitoba, Canada, at the corner of Manitoba Provincial Trunk Highways 3 and 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.