The 2023 Engie Open Nantes Atlantique is a professional tennis tournament played on indoor hard courts. It is the nineteenth edition of the tournament which is part of the 2023 ITF Women's World Tennis Tour. It takes place in Nantes, France between 30 October and 5 November 2023.
Champions
Singles
Doubles
Singles main draw entrants
Seeds
1 Rankings are as of 23 October 2023.
Other entrants
The following players received wildcards into the singles main draw: Émeline Dartron Amandine Hesse Tiphanie Lemaître Mallaurie Noël
The following player received entry as a junior exempt: Sofia Costoulas
The following players received entry from the qualifying draw: Emily Appleton Nahia Berecoechea Manon Léonard Diana Martynov Chloé Noël Veronika Podrez Tina Nadine Smith Lian Tran
The following player received entry as a lucky loser: Matilda Mutavdzic