Chambourcin is a French-American interspecific hybrid grape variety used for making wine. Its parentage is uncertain. The hybrid was produced by Joannes Seyve who often used Seibel hybrids produced in the 1860s. The grape has only been available since 1963. Chambourcin has a good resistance to fungal disease. Chambourcin is one of the parents of the new disease resistant variety, Regent, which is increasing in popularity among German and Okanagan Valley grape growers.