Carleton County may refer to:
*
Carleton County, New Brunswick
Carleton County (2021 population 26,360) is located in west-central New Brunswick, Canada.
The western border is Aroostook County, Maine, the northern border is Victoria County, and the southeastern border is York County from which it was f ...
, Canada
*
Carleton County, Ontario
Carleton County is the name of a former county in Ontario, Canada. In 1969, it was superseded by the Regional Municipality of Ottawa–Carleton. In 2001, the Regional Municipality and its eleven local municipalities (including Ottawa) were repla ...
, Canada
{{disambiguation