The traditional linear model of production and consumption, which follows the sequence of Produce → Consume → Dispose, aims to sustain ongoing production and consumption but does so in a manner that is less environmentally conscious. In contrast, the circular economy aims to establish a more sustainable economic framework that enhances resource efficiency while minimizing ecological harm. A significant challenge within this model is to separate resource consumption from GDP growth, all while improving environmental outcomes and overall quality of life. This chapter explores various aspects of the circular economy as they relate to water and its resources, encompassing multiple sectors, including general water management, agriculture and food systems, forestry, and textiles. The circular economy is built on two interlinked cycles of production and consumption, structured around three critical areas: supply and economic actors, consumer behavior, and waste management. This interconnected approach transforms products into reusable resources, shifting the focus from the linear economy’s phases of “Produce—Consume—Dispose” to the circular economy’s principles of “Optimize production—Consume responsibly—Recycle effectively.”