Cesareo or Cesáreo is a given name. Notable people with the given name include:
Cesáreo Bernaldo de Quirós (1879–1968), Argentine painter Cesáreo Gabaráin (1936–1991), Spanish priest and composer Cesareo Guillermo (1847–1885), Dominican politician Cesáreo Onzari (1903–1964), Argentine footballer Cesáreo Quezadas (born 1950), Mexican actor Cesáreo Victorino (born 1979), Mexican footballer Cesáreo Victorino (1947–1999), Mexican footballer Davide Civaschi, Cesàreo, Italian rock guitarist, member of Elio e le Storie Tese