Cachin
Cachin or Cachín is the family name of the following people:
- Françoise Cachin (1936–2011), French art historian, granddaughter of Marcel Cachin
- Marcel Cachin (1869–1958), French politician
- Marcelle Hertzog-Cachin (1911–1998), French politician, daughter of Marcel Cachin
- Pedro Cachín (* 1995), Argentinian tennis player