Nereo

Nereo may refer to:
 * An alternative name of the Greek deity Nereus
 * Nereo Cave, a huge underwater sea-cave in the Coral riviera of Alghero, Italy
 * Nereo Bolzon (born 1960), Canadian football player
 * Nereo Champagne (born 1985), Argentine football goalkeeper
 * Nereo Fernández (born 1979), Argentine footballer
 * Nereo Laroni (1942–2019), Italian politician
 * Nereo Rocco (1912–1979), Italian football player and manager