| Date: | 15–21 October |
| Edition: | 7th |
| Category: | ITF Women's Circuit |
| Location: | Suzhou, China |
| Prize Money: | $100,000 |
| Champs: |  Zheng Saisai |
| Champd: |  Misaki Doi / Nao Hibino |
The 2018 Suzhou Ladies Open was a professional tennis tournament played on outdoor hard courts. It was the seventh edition of the tournament and was part of the 2018 ITF Women's Circuit. It took place in Suzhou, China, on 15–21 October 2018.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| China | Zheng Saisai | 58 | 1 | |
| China | Wang Yafan | 73 | 2 | |
 Kazakhstan | ||||
 United Kingdom | Katie Boulter | 101 | 4 | |
 Thailand | Luksika Kumkhum | 105 | 5 | |
| China | Zhu Lin | 106 | 6 | |
 Ukraine | Anhelina Kalinina | 116 | 7 | |
 Russian Federation | Veronika Kudermetova | 122 | 8 |
The following players received a wildcard into the singles main draw:
Ren Jiaqi Yang Zhaoxuan Yuan Yi Zhang KailinThe following players received entry from the qualifying draw:
The following players received entry as a lucky loser:
See main article: 2018 Suzhou Ladies Open – Singles.
Zheng Saisai def. 
Jana Čepelová, 7–5, 6–1See main article: 2018 Suzhou Ladies Open – Doubles.
Misaki Doi / Nao Hibino def. Luksika Kumkhum / Peangtarn Plipuech, 6–2, 6–3