Elizabeth Uihlein (born 1945) is an American billionaire businesswoman, co-founder and president of Uline Corporation, and a prominent conservative political donor and philanthropist. She established Uline in 1980 alongside her husband, Richard Uihlein, initially operating it from the basement of their home in Wisconsin. Under her leadership, Uline has grown into a multibillion-dollar enterprise, a major supplier of shipping and packaging materials, with warehouses across North America employing thousands. The Uihleins are heirs to the Schlitz brewing fortune through Richard's family connections. Elizabeth and Richard Uihlein have contributed tens of millions of dollars to Republican candidates, conservative causes, and organizations aligned with right-wing ideologies, including election integrity and anti-abortion initiatives. They reside in Lake Forest, Illinois.