| Date: | 12–18 June 2023 |
| Edition: | 20th |
| Surface: | Clay / Outdoor |
| Location: | Biarritz, France |
| Category: | ITF Women's World Tennis Tour |
| Prize Money: | $60,000 |
| Champs: |  Fiona Ferro |
| Champd: |  Weronika Falkowska / Katarzyna Kawa |
| Main Name: | Open de Biarritz |
The 2023 Engie Open de Biarritz was a professional tennis tournament played on outdoor clay courts, in Biarritz, France, from 12 to 18 June 2023. It was the twentieth edition of the tournament, which was part of the 2023 ITF Women's World Tennis Tour.[1]
See main article: 2023 Engie Open de Biarritz – Singles.
Fiona Ferro def. 
İpek Öz, 7–5, 6–3See main article: 2023 Engie Open de Biarritz – Doubles.
Weronika Falkowska / Katarzyna Kawa def. Conny Perrin / 
Anna Sisková, 7–6(7–2), 7–5| Country | Player | Rank | Seed | |
|---|---|---|---|---|
| France | Diane Parry | 79 | 1 | |
| France | Séléna Janicijevic | 179 | 2 | |
| Czech Republic | Sára Bejlek | 182 | 3 | |
 Hungary | Tímea Babos | 211 | 4 | |
 Spain | Irene Burillo Escorihuela | 244 | 5 | |
| Turkey | İpek Öz | 246 | 6 | |
| Spain | Carlota Martínez Círez | 251 | 7 | |
 Burundi | Sada Nahimana | 261 | 8 |
The following players received wildcards into the singles main draw:
Nahia Berecoechea Émeline Dartron Fiona Ferro Emma LénéThe following players received entry into the singles main draw using a junior exempt:
The following players received entry from the qualifying draw:
Tessah Andrianjafitrimo Loïs Boisson Amandine Hesse
Ena Koike
Victoria Mboko Laïa Petretic Nina Radovanovic