Giacosa
Giacosa is a family name for the following people:
- Carlos Giacosa († 2015), Uruguayan journalist
- Dante Giacosa (1905–1996), Italian automobile designer
- Giuseppe Giacosa (1847–1906), Italian poet, actor and librettist
- Paola von Wyss-Giacosa (* 1970), Swiss ethnologist
- Samuel Augusto Giacosa , Argentine participant in the 1932 Summer Olympics, athlete