Pacu is the common name of several South American fishes. Pacu may also refer to:
People
edit- Jovan Paču (1847–1902), Serbian composer and pianist
- Lazar Paču (1855–1915), Serbian doctor and politician
Rivers
edit- Pacu River (Amajari River tributary), in northern Brazil
- Pacu River (Catrimani River tributary), in northern Brazil
- Pacu River (Pará), in north-central Brazil
Other
edit- Pacu Jalur, a rowing race held annually in Indonesia
- Pacu jawi, a traditional bull race in Indonesia
- Post-anesthesia care unit (PACU), a recovery area found in many medical facilities