Ferrero (Italian: [ferˈrɛːro], Spanish: [feˈreɾo]) is a surname of Italian (from Piedmont) and Spanish origin that means 'smith', a person who works with iron, in parallel with surnames like Ferraro, Ferrari and Smith.

Notable people with the surname Ferrero include:

• Alexis Ferrero (born 1979), Argentine footballer;
• Alfonso Ferrero La Marmora (1804–1878), Italian general and statesman;
• Benita Ferrero-Waldner (b. 1948), Austrian diplomat and politician;
• Edward Ferrero (1831–1899), Union general famous for his role in the Battle of the Crater;
• Enzo Ferrero (born 1953), Argentine footballer;
• Facundo Ferrero (born 1995), Argentine footballer;
• Francis Ferrero (born 1972), Argentine footballer;
• Giovanni Ferrero (b. 1964), managing director of Ferrero SpA, son of Michele Ferrero;
• Guglielmo Ferrero (1871–1942), Italian historian, journalist, and novelist;
• Juan Ferrero (1918–1958), Spanish bodybuilder;
• Juan Carlos Ferrero (b. 1980), Spanish tennis player;
• Lorenzo Ferrero (b. 1951), Italian composer;
• Martin Ferrero (b. 1947), American actor;
• Michele Ferrero (1925–2015), Italian chocolate magnate;
• Michele Ferrero (priest) (b. 1967), Italian Roman Catholic priest and author;
• Pietro Ferrero (1898–1949), founder of Ferrero SpA, father of Michele Ferrero;
• Pietro Ferrero Jr. (1963–2011), managing director of Ferrero SpA until his death, son of Michele Ferrero;
• Ricardo Ferrero (1955–2015), Argentine footballer.