Piacentini
Piacentini is an Italian surname. Notable people with the surname include:
- Genison Piacentini de Quadra (born 1988), Brazilian footballer
 - Giorgio Piacentini (born 1997), Italian footballer
 - Giovanni Piacentini (born 1968), Italian footballer
 - John Piacentini, American psychologist
 - Jorge Piacentini (1920–1995), Argentine sailor
 - Luigi Piacentini (born 1930), Italian field hockey player
 - Marcello Piacentini (1881–1960), Italian architect
 - Matteo Piacentini (born 1999), Italian football player
 - Pablo Piacentini (died 2017), Argentinian political scientist, journalist and activist
 - Pio Piacentini (1846–1928), Italian architect
 - Riccardo Piacentini (born 1958), Italian classical composer and pianist
 - Rosy Piacentini (born 1938), French former swimmer
 - Settimio Piacentini (1859–1921), Italian general
 - Valentino Piacentini (born 1978), Italian former international table tennis player
 
Other
- Colli Piacentini ("Hills of Piacenza"), Italian wine region located at the western end of Emilia-Romagna