Passaic
- Country: United States
- State: New Jersey
- Population: 70,635 (2016)
- Latitude: 40° 51.4' N (40.85677°)
- Longitude: 74° 7.7' W (-74.12848°)
- Elevation: 34 m/112 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Acquackanonk, Acquackanonk Bridge, Acquackanonk Landing, Aqueyquinunke, Haquequenunck