H . Fisk Johnson III is an American billionaire and the chairman and CEO of S. C. Johnson & Son, a major global manufacturer of household cleaning supplies and consumer chemicals. He represents the fifth generation of the Johnson family to lead the privately held company, which was founded by his great-great-grandfather in 1886 in Racine, Wisconsin. The company is famous for its iconic household brands.

S. C. Johnson's portfolio includes a vast range of well-known products, such as Windex glass cleaner, Pledge furniture polish, Glade air fresheners, and Ziploc food storage bags. As the head of the family's enduring and highly successful enterprise, Fisk Johnson has been the steward of its legacy of innovation and its unique, family-focused corporate culture. He and his family are also major philanthropists, particularly in their home community of Racine, and are known for their commitment to environmental sustainability.