Harry H. Stine (born 1941/1942) is an American billionaire businessman, the founder and owner of Stine Seed.
He is the son of Bill and Roselba Stine. In 1871, his great-grandparents, William and Sarah Stine arrived in Adel, Iowa from Pennsylvania, and establish a 160-acre farm there. In 1894, his grandfather Ira Cloyd Stine married Lydia Sheaffer and they had had four children, all sons. Everyone worked for I.C Stine and Sons until after World War II. In 1934, Bill and Roselba Stine moved to the farm that would become Stine Seed Farm, which was founded in the 1950s.