Martin Ebner (born 12 August 1945) is a Swiss billionaire businessman and investor from the municipality of Freienbach in the canton of Schwyz. He is the founder of , and the investment firm, . Through his investment vehicle Patinex, he owns multimillion-dollar stakes in various companies, and his biggest holdings include healthcare company Vifor Pharma, software firm Temenos, and real estate investor Intershop.