USW
| Acronym | Definition |
|---|---|
| USW | United Steel Workers |
| USW | Und So Weiter (German: and so on) |
| USW | Undersecretary of War (US Navy) |
| USW | Unrestricted Submarine Warfare |
| USW | Undersea Warfare |
| USW | Ultrasonic Welding |
| USW | US Wheat Associates |
| USW | Ultra Short Wave |
| USW | US West Telecommunications (stock symbol) |
| USW | Ultrasonic Weapon |
| USW | Ultimate Sonic Website |