The 2023 Ladies Open Lausanne was a professional women's tennis tournament played on outdoor clay courts. It was the 30th edition of the Swiss Open, and part of the 250 category of the 2023 WTA Tour. It took place at Tennis Club Stade-Lausanne in Lausanne, Switzerland, from 24 through 30 July 2023. Second-seeded Elisabetta Cocciaretto won the singles title.[1]
See main article: 2023 Ladies Open Lausanne – Singles.
Elisabetta Cocciaretto def. 
Clara Burel, 7–5, 4–6, 6–4See main article: 2023 Ladies Open Lausanne – Doubles.
Anna Bondár / Diane Parry def. Amina Anshba / 
Anastasia Dețiuc 6–2, 6–1| Country | Player | Rank† | Seed | |
|---|---|---|---|---|
 Romania | ||||
| Italy | Elisabetta Cocciaretto | 42 | 2 | |
| Romania | Ana Bogdan | 49 | 3 | |
| Italy | Lucia Bronzetti | 53 | 4 | |
 United States | Emma Navarro | 57 | 5 | |
| Mirra Andreeva | 65 | 6 | ||
| France | Alizé Cornet | 68 | 7 | |
| Elina Avanesyan | 69 | 8 | ||
| France | Diane Parry | 82 | 9 |
† Rankings are as of 17 July 2023.[2]
The following players received wildcard entry into the singles main draw:
The following players received entry using a protected ranking:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Irina-Camelia Begu → replaced by 
Dayana Yastremska Léolia Jeanjean Kateryna Baindl → replaced by 
Julia Riera Sara Errani → replaced by Jenny Dürst Sofia Kenin → replaced by Jil Teichmann Ashlyn Krueger → replaced by Viktorija Golubic| Country | Player | Country | Player | Rank† | Seed | |
|---|---|---|---|---|---|---|
| Yana Sizikova |  Belgium | Kimberley Zimmermann | 103 | 1 | ||
 Japan | Eri Hozumi | Irina Khromacheva | 145 | 2 | ||
| Hungary | Anna Bondár | France | Diane Parry | 155 | 3 | |
 Spain | Aliona Bolsova |  Venezuela, Bolivarian Republic of | Andrea Gámiz | 165 | 4 |