| Oeiras Ladies Open | |
| Current: | 2024 Oeiras Ladies Open |
| Event Name: | Oeiras Ladies Open |
| Location: | Oeiras, Portugal |
| Venue: | Centro Desportivo Nacional do Jamor |
| Category: | WTA 125 |
| Surface: | Clay / Outdoor |
| Draw: | 32S/16Q/16D |
| Prize Money: | $164,000 (2024) |
| Completed Event: | 2024 |
| Women's Singles: | Suzan Lamens |
| Women's Doubles: | Francisca Jorge Matilde Jorge |
The Oeiras Ladies Open is a tournament for professional female tennis players played on outdoor clay courts. It is a WTA 125 tournament as it was upgraded from ITF W100 event in 2024,[1] having grown its status every year since its introduction in 2021. The first edition was a $60,000 ITF Women's World Tennis Tour event, the second edition in 2022 was a $80,000 event and the third in 2023 was a $100,000 event.
| Year | Champion | Runner-up | Score | |
|---|---|---|---|---|
| Suzan Lamens | 6–4, 5–7, 6–4 | |||
 Danka Kovinić | 6–2, 6–2 | |||
 Elisabetta Cocciaretto | 7–6(7–5), 2–6, 7–5 | |||
| Polona Hercog | walkover |
| Year | Champions | Runners-up | Score | |
|---|---|---|---|---|
| Francisca Jorge Matilde Jorge | 6–0, 6–4 | |||
 Ulrikke Eikeri  Eri Hozumi | 4–6, 6–4, [10–5] | |||
 Katarzyna Piter  Kimberley Zimmermann | 6–1, 6–1 | |||
 Lidziya Marozava  Andreea Mitu | 3–6, 6–4, [10–3] |