Darbellay is a surname. Notable people with the surname include:
Christophe Darbellay (born 1971), Swiss politician Joseph E. Darbellay (1845–1900), American merchant and politician Jean-Luc Darbellay (born 1946), Swiss composer, conductor, clarinetist and physician
See also Darbellay, Wisconsin (today's name Bay View), is an unincorporated community in the town of Red River, Wisconsin, Kewaunee County, Wisconsin, United States