| PSU | |
| Location Country: | Saint Vincent and the Grenadines |
| Full Name: | St. Vincent and the Grenadines Public Service Union |
| Headquarters: | Kingstown, Saint Vincent and the Grenadines |
| Key People: | Elroy Boucher President Shelly-Ann Alexander-Ross general secretary |
| Website: | www.psusvg.com |
The St. Vincent and the Grenadines Public Service Union (PSU) is a trade union in Saint Vincent and the Grenadines.