| Date: | 28 October–3 November 2019 |
| Edition: | 16th |
| Surface: | Hard / Indoor |
| Location: | Nantes, France |
| Category: | ITF Women's World Tennis Tour |
| Prize Money: | $60,000 |
| Champs: |  Cristina Bucșa |
| Champd: |  Akgul Amanmuradova /  Ekaterine Gorgodze |
| Main Name: | Open Nantes Atlantique |
The 2019 Engie Open Nantes Atlantique was a professional tennis tournament played on indoor hard courts. It was the sixteenth edition of the tournament which was part of the 2019 ITF Women's World Tennis Tour. It took place in Nantes, France between 28 October and 3 November 2019.[1]
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Tatjana Maria | 87 | 1 | ||
 Russian Federation | Varvara Gracheva | 106 | 2 | |
| Spain | Aliona Bolsova | 114 | 3 | |
| Russian Federation | Vitalia Diatchenko | 120 | 4 | |
| Tamara Korpatsch | 124 | 5 | ||
 Romania | Ana Bogdan | 136 | 6 | |
 France | Chloé Paquet | 146 | 7 | |
| Georgia | Ekaterine Gorgodze | 200 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
Akgul Amanmuradova Mathilde Armitano Lucía Cortez Llorca Salma Djoubri Théo Gravouil
Verena Meliss Mallaurie NoëlThe following player received entry as a lucky loser:
See main article: 2019 Engie Open Nantes Atlantique – Singles.
Cristina Bucșa def. Tamara Korpatsch, 6–2, 6–7(11–13), 7–6(8–6)See main article: 2019 Engie Open Nantes Atlantique – Doubles.
Akgul Amanmuradova / Ekaterine Gorgodze def. Vivian Heisen / Yana Sizikova, 7–6(7–2), 6–3