Francesco I of Viola (born Francesco Stennori, 1568-1649) was the first King of Viola from 1604-1649.
Francesco Stennori was born in Brancusi to Italian parents. During the Violan War of Independence, he was the leader of the independence movement. In 1590, he married the future Queen Alessandra of Viola.They had a happy marriage, but the queen was able to produce only one son. He became the king in 1604, and was succeded by his only child, Alessandro I in 1649.