IETS
| Acronym | Definition |
|---|---|
| IETS | Instituto de Estudos do Trabalho e Sociedade (Portuguese: Institute for the Study of Labor and Society; Brazil) |
| IETS | International Embryo Transfer Society |
| IETS | Inelastic Electron Tunneling Spectroscopy |
| IETS | Interim European Telecommunications Standard (also seen as I-ETS) |
| IETS | Integrated Educational Technology Support |
| IETS | Institute of Employment Studies (UK) |