| Date: | 7–12 August 2023 |
| Edition: | 4th |
| Surface: | Hard / Outdoor |
| Location: | Grodzisk Mazowiecki, Poland |
| Category: | WTA 125 |
| Prize Money: | $115,000 |
| Champs: |  Dayana Yastremska |
| Champd: |  Katarzyna Kawa /  Elixane Lechemia |
| Main Name: | Kozerki Open |
The 2023 Polish Open was a professional women's tennis tournament played on outdoor hard courts. It was the fourth edition of the tournament and first ever as a WTA 125 event which was also part of the 2023 WTA 125 tournaments. It took place at the Akademia Tenisowa Tenis Kozerki in Grodzisk Mazowiecki, Poland between 7 and 12 August 2023.[1]
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Jule Niemeier | 101 | 1 | ||
 Italy | Lucrezia Stefanini | 102 | 2 | |
 Czech Republic | Tereza Martincová | 109 | 3 | |
 Belgium | Greet Minnen | 112 | 4 | |
 Slovakia | Viktória Hrunčáková | 117 | 5 | |
 Romania | ||||
 Japan | ||||
| Ukraine | Dayana Yastremska | 149 | 8 | |
| Eva Lys | 150 | 9 |
The following players received wildcards into the singles main draw:
Maja Chwalińska Weronika Ewald Martyna Kubka Olivia LincerThe following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Kateryna Baindl → replaced by Dalila Jakupović Jaqueline Cristian → replaced by 
Naiktha Bains
Olga Danilović → replaced by 
Zeynep Sönmez Barbora Palicová Nao Hibino → replaced by Katarzyna Kawa Yanina Wickmayer → replaced by Mona Barthel| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Alicia Barnett | United Kingdom | Olivia Nicholls | 147 | 1 | ||
| Czech Republic | Anastasia Dețiuc | Anna Sisková | 178 | 2 | ||
| Katarzyna Piter | Czech Republic | Renata Voráčová | 180 | 3 | ||
| United Kingdom | Naiktha Bains | Maia Lumsden | 189 | 4 |
The following pair received a wildcard into the singles main draw:
Weronika Forys / Stefania Rogozińska DzikSee main article: 2023 Polish Open – Singles.
Dayana Yastremska def. Greet Minnen, 2–6, 6–1, 6–3[3]See main article: 2023 Polish Open – Doubles.
Katarzyna Kawa / Elixane Lechemia def. Naiktha Bains / Maia Lumsden, 6–3, 6–4