| Date: | 13–19 July |
| Edition: | 1st |
| Category: | ITF Women's Circuit |
| Location: | Stockton, California, United States |
| Prize Money: | $50,000 |
| Champs: |  Nao Hibino |
| Champd: |  Jamie Loeb / Sanaz Marand |
The 2015 Stockton Challenger was a professional tennis tournament played on outdoor hard courts. It was the first edition of the tournament and part of the 2015 ITF Women's Circuit, offering a total of $50,000 in prize money. It took place in Stockton, California, United States, on 13–19 June 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Belgium | An-Sophie Mestach | 111 | 1 | |
| Japan | Eri Hozumi | 165 | 2 | |
| United States | Maria Sanchez | 168 | 3 | |
| United States | Catherine Bellis | 169 | 4 | |
| Japan | Nao Hibino | 170 | 5 | |
| United States | Julia Boserup | 190 | 6 | |
| Japan | Mayo Hibi | 197 | 7 | |
 United Kingdom | Naomi Broady | 200 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2015 Stockton Challenger – Singles.
Nao Hibino def. An-Sophie Mestach, 6–1, 7–6(8–6)See main article: 2015 Stockton Challenger – Doubles.
Jamie Loeb / Sanaz Marand def. Kaitlyn Christian / Danielle Lao, 6–3, 6–4
