| Date: | 26 June–2 July |
| Edition: | 1st |
| Category: | ITF Women's Circuit |
| Location: | Southsea, United Kingdom |
| Prize Money: | $100,000+H |
| Champs: | Tatjana Maria |
| Champd: |  Shuko Aoyama /  Yang Zhaoxuan |
| After Name: | Fuzion 100 Southsea Trophy |
The 2017 Aegon Southsea Trophy was a professional tennis tournament played on outdoor grass courts. It was the first edition of the tournament and was part of the 2017 ITF Women's Circuit. It took place in Southsea, United Kingdom, on 26 June–2 July 2017.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Romania | Irina-Camelia Begu | 68 | 1 | |
| Viktorija Golubic | 71 | 2 | ||
 Poland | Magda Linette | 75 | 3 | |
 Russian Federation | Ekaterina Alexandrova | 76 | 4 |
The following players received a wildcard into the singles main draw:
See main article: 2017 Aegon Southsea Trophy – Singles.
Irina-Camelia Begu, 6–2, 6–2 Shuko Aoyama / Yang Zhaoxuan def. Viktorija Golubic / 
Lyudmyla Kichenok, 6–7(7–9), 6–3, [10–8]