The city of Kawartha Lakes (2011 population 73,214) is a unitary municipality in Central Ontario, Canada. Although called a city, Kawartha Lakes is the size of a typical Ontarian county and is mostly rural.

Kawartha Lakes may refer to:

• Kawartha Lakes (Ontario), a series of lakes in central Ontario, Canada
• Kawartha Lakes, a city in central Ontario, named for the lakes, and encompassing several of them