Repetto is a surname. Notable people with the name include:
- Amelia Repetto, Uruguayan composer
- Andrea Repetto (born 1969), Chilean economist
- Carlos Torre Repetto (1904-1978), chess grandmaster from Mexico
- Francesco Repetto (1914–1984), Italian priest and librarian, Righteous Among the Nations
- Maria Repetto (1807-1890), Italian Roman Catholic professed religious
- Nicolás Repetto (1871-1965), Argentine physician and leader of the Socialist Party of Argentina
- Nicolás Repetto (TV host) (born 1957), Argentine TV host
- Pablo Repetto (born 1974), Uruguayan football manager
- Rose Repetto (1907–1984), Italian-born French business owner, founder of the Repetto ballet shoe company