| Date: | 20–26 April |
| Edition: | 3rd |
| Category: | ITF Women's Circuit |
| Location: | Istanbul, Turkey |
| Prize Money: | $50,000 |
| Champs: |  Shahar Pe'er |
| Champd: |  Lyudmyla Kichenok / Nadiia Kichenok |
The 2015 Lale Cup was a professional tennis tournament played on outdoor hard courts. It was the third 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 Istanbul, Turkey, on 20–26 April 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Donna Vekić | 108 | 1 | ||
 Belgium | An-Sophie Mestach | 111 | 2 | |
| Israel | Shahar Pe'er | 123 | 3 | |
 Czech Republic | Kristýna Plíšková | 135 | 4 | |
 Belarus | Olga Govortsova | 136 | 5 | |
 Russian Federation | Margarita Gasparyan | 143 | 6 | |
| Belarus | Aliaksandra Sasnovich | 146 | 7 | |
| Russian Federation | Ekaterina Bychkova | 170 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2015 Lale Cup – Singles.
Shahar Pe'er def. Kristýna Plíšková, 1–6, 7–6(7–4), 7–5See main article: 2015 Lale Cup – Doubles.
Lyudmyla Kichenok / Nadiia Kichenok def. Valentyna Ivakhnenko / Polina Monova, 6–4, 6–3