International Union of Geodesy and Geophysics
| Abbreviation | IUGG | 
|---|---|
| Formation | 1919 | 
| Type | INGO | 
| Location | |
| Region served  | Worldwide | 
| Official language  | English, French | 
| President | Chris Rizos (Australia) | 
| Secretary General | Alexander Rudloff (Germany) | 
| Treasurer | Niels Andersen (Denmark) | 
| Executive Secretary | Franz Kuglitsch (Germany) | 
| Website | www | 
The International Union of Geodesy and Geophysics (IUGG; French: Union géodésique et géophysique internationale, UGGI) is an international non-governmental organization dedicated to the scientific study of Earth and its space environment using geophysical and geodetic techniques. The IUGG is a member of the International Science Council (ISC), which is composed of international scholarly and scientific institutions and national academies of sciences.