Carl Josef Otto Elsener (also known as Carl Elsener Jr. or Carl Elsener IV) (born July 1958) is a Swiss entrepreneur and, since 2007, CEO of Victorinox AG, a family-owned company that employed 2,000 people worldwide in 2015.

Karl Elsener had opened a factory in Ibach in 1884[2] for the production of knives and surgical instruments,[3] from which the Messerfabrik Victorinox developed.

In October 2000,[4] Elsener founded together with his father and his brother Eduard Elsener as a successor solution, the Victorinox-Stiftung, to ensure the survival and further prosperity of the family business.

The foundation holds 75 percent of the shares of Victorinox AG, another 15 percent belongs to the non-profit Carl und Elise Elsener-Gut Stiftung.

[5] Since 2007, Elsener has led the company as CEO and Chairman of the Board of Directors.