Viro may refer to:
People Viro Small, an African American wrestler Oleg Viro, a Russian mathematician Viro, the Catholicos of the Caucasian Albanian Church in the early 7th century
Places Viro, the Finnish-language name for Estonia Porto Viro, a municipality in Veneto, Italy Viro, a village in Setomaa Parish, Võru County, Estonia
Other uses Viro, a Croatian sugar company Viro, a fictional character in the manga series Elemental Gelade