| Date: | 21 – 26 May |
| Edition: | 32nd |
| Category: | WTA International tournaments |
| Draw: | 32S / 16D |
| Surface: | Clay |
| Location: | Strasbourg, France |
| Venue: | Tennis Club de Strasbourg |
| Prize Money: | $250,000 |
| Champs: |  Anastasia Pavlyuchenkova |
| Champd: |  Mihaela Buzărnescu / Raluca Olaru |
The 2018 Internationaux de Strasbourg was a professional tennis tournament played on clay courts. It was the 32nd edition of the tournament and part of the International-level tournament category of the 2018 WTA Tour. It took place at the Tennis Club de Strasbourg in Strasbourg, France, between 21 and 26 May 2018.
| Event | W | F | SF | QF | Round of 16 | Round of 32 | width=85 | Q | width=85 | Q2 | width=85 | Q1 |
| Women's singles | 280 | 180 | 110 | 60 | 30 | 1 | 18 | 12 | 1 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Women's doubles | 1 |
| width=130 bgcolor=dfe2e9 | Event | width=80 bgcolor=lime | W | width=85 bgcolor=thistle | F | width=85 bgcolor=ffff00 | SF | width=85 bgcolor=ffebcd | QF | width=85 bgcolor=afeeee | Round of 16 | width=85 bgcolor=afeeee | Round of 32 | width=85 | Q2 | width=85 | Q1 |
| style=background:#ededed | Women's singles | $43,000 | $21,400 | $11,500 | $6,175 | $3,400 | $2,100 | $1,020 | $600 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| style=background:#ededed | Women's doubles | $12,300 | $6,400 | $3,435 | $1,820 | $960 |
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Australia | Ashleigh Barty | 18 | 1 | |
| Australia | Daria Gavrilova | 24 | 2 | |
| Russian Federation | Anastasia Pavlyuchenkova | 29 | 3 | |
| Romania | Mihaela Buzărnescu | 33 | 4 | |
 Slovakia | Dominika Cibulková | 34 | 5 | |
 Hungary | Tímea Babos | 38 | 6 | |
 United States | Danielle Collins | 47 | 7 | |
| Hsieh Su-wei | 50 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry using a protected ranking into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Catherine Bellis → replaced by 
Magda Linette
Alizé Cornet → replaced by Réka Luca Jani
Camila Giorgi → replaced by 
Luksika Kumkhum
Beatriz Haddad Maia → replaced by Sachia Vickery
Aleksandra Krunić → replaced by Amandine Hesse Monica Niculescu → replaced by Elena Rybakina Natalia Vikhlyantseva
Aryna Sabalenka → replaced by Sofia Kenin Jennifer Brady Elena Vesnina → replaced by Pauline Parmentier| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Chan Hao-ching |  China | Yang Zhaoxuan | 39 | 1 | ||
 Japan | Shuko Aoyama |  Czech Republic | Renata Voráčová | 67 | 2 | |
| Nadiia Kichenok | Australia | Anastasia Rodionova | 91 | 3 | ||
 Georgia | Oksana Kalashnikova | Russian Federation | Alla Kudryavtseva | 105 | 4 |
The following pair received a wildcard into the doubles main draw:
See main article: 2018 Internationaux de Strasbourg – Singles.
Anastasia Pavlyuchenkova defeated Dominika Cibulková, 6–7(5–7), 7–6(7–3), 7–6(8–6)See main article: 2018 Internationaux de Strasbourg – Doubles.
Mihaela Buzărnescu / Raluca Olaru defeated 
Nadiia Kichenok / Anastasia Rodionova, 7–5, 7–5