Oeiras CETO Open
| Oeiras CETO Open | |
|---|---|
| ITF Women's Tour | |
| Event name | Oeiras CETO Open (2023–) Magnesium K Active Ladies Open (2016–22) |
| Location | Oeiras, Portugal |
| Venue | Clube Escola de Ténis de Oeiras |
| Category | ITF Women's World Tennis Tour |
| Surface | Clay |
| Draw | 32S/32Q/16D |
| Prize money | $100,000 |
The Oeiras CETO Open is a tournament for professional female tennis players played on outdoor clay courts. The event is classified as a $100,000 ITF Women's World Tennis Tour tournament and has been held in Oeiras, Portugal, since 2016.