Constance Anne Kemmerer, (born) commonly known as Connie Kemmerer, is an American businesswoman and philanthropist. Kemmerer serves as a co-owner of the Jackson Hole Mountain Resort in Teton Village, Wyoming in the Jackson Hole valley. She has jointly owned the resort with her siblings, Jay and Betty, since 1992. Their family connection to Wyoming dates to the late nineteenth century when their great-grandfather, Mahlon Kemmerer, financed the founding of the Kemmerer Coal Company. Kemmerer, Wyoming, which started as a company town for Kemmerer Coal Company, is home to the first J. C. Penney store.