Esterhazy is a town in the south-eastern part of the Canadian province of Saskatchewan, 83 kilometres (52 mi) south-east of Yorkton along Highways 22 and 80. The town is in the Rural Municipality of Fertile Belt No. 183.

The Mosaic Company is a Fortune 500 company based in Tampa, Florida which mines phosphate, potash, and collects urea for fertilizer, through various international distribution networks, and Mosaic Fertilizantes. It is the largest U.S. producer of potash and phosphate fertilizer.