| ATASS | |
| Location Country: | Trinidad and Tobago |
| Full Name: | Association of Technical, Administrative and Supervisory Staff |
| Headquarters: | Couva, Trinidad and Tobago |
The Association of Technical, Administrative and Supervisory Staff (ATASS) is a trade union in Trinidad and Tobago with the bulk of its members in the former Caroni (1975) Ltd, the state owned sugar industry that closed in July 2003.