2023 Nottingham Open – Women's singles

Katie Boulter defeated Jodie Burrage in the final, 6–3, 6–3 to win the women's singles tennis title at the 2023 Nottingham Open. It was Boulter's first WTA Tour title and Burrage's first tour final.

Beatriz Haddad Maia was the defending champion, but lost in the first round to Daria Snigur.

This was the first WTA Tour event in which both finalists represented the United Kingdom since the 1977 San Francisco Open. This was also the first event since the 1975 Paris Indoors where three of the four semifinalists represented the United Kingdom.

Seeds
• # Maria Sakkari (second round)

• #🇧🇷 Beatriz Haddad Maia (first round)

• #🇵🇱 Magda Linette (second round)

• # Donna Vekić (second round)

• #🇺🇦 Anhelina Kalinina (second round)

• #🇨🇳 Zhang Shuai (first round)

• #🇮🇹 Camila Giorgi (second round)

• #🇨🇳 Zhu Lin (second round)

Seeds
• # 🇺🇸 Elizabeth Mandlik (qualified)

• # 🇺🇸 Sofia Kenin (first round)

• # Viktorija Golubic (moved to main draw)

• # Simona Waltert (first round)

• # 🇬🇧 Harriet Dart (qualified)

• # 🇺🇦 Dayana Yastremska (first round)

• # 🇦🇺 Olivia Gadecki (qualified)

• # 🇷🇴 Elena-Gabriela Ruse (qualifying competition)

• # 🇺🇦 Daria Snigur (qualifying competition, lucky loser)

• # 🇬🇧 Heather Watson (qualified)

• # 🇲🇽 Marcela Zacarías (first round)

• # 🇺🇸 Katrina Scott (first round)

Qualifiers
• # 🇺🇸 Elizabeth Mandlik

• # 🇬🇧 Sonay Kartal

• # 🇬🇧 Heather Watson

• # 🇦🇺 Olivia Gadecki

• # 🇬🇧 Harriet Dart

• # 🇬🇧 Emily Appleton

Lucky loser
• # 🇺🇦 Daria Snigur