Vivaldo is both a surname and a given name. Notable people with the name include:
Vivaldo Belcazer (flourished 1279–1308), Italian translator Danilo Vivaldo (born 1987), Brazilian footballer Jorge Vivaldo (born 1967), Argentine footballer and manager Vivaldo Eduardo (born 1966), Angolan handball coach Vivaldo Frota (1928–2015), Argentine politician, lawyer, and academic