| Date: | 6 April – 12 April |
| Edition: | 13th |
| Draw: | 32S / 16D |
| Surface: | Hard |
| Prize Money: | $75,000+H |
| Location: | León, Mexico |
| Champs: |  Austin Krajicek |
| Champd: | Austin Krajicek / Rajeev Ram |
| Before Name: | Challenger Ficrea |
The 2015 Torneo Internacional Challenger León was a professional tennis tournament played on hard courts. It was the thirteenth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in León, Mexico between 6 April and 12 April 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Spain | Adrián Menéndez Maceiras | 126 | 1 | |
 Colombia | Alejandro Falla | 133 | 2 | |
| Rajeev Ram | 139 | 3 | ||
| Austin Krajicek | 146 | 4 | ||
 Argentina | Horacio Zeballos | 148 | 5 | |
 Poland | Michał Przysiężny | 149 | 6 | |
 Austria | Gerald Melzer | 168 | 7 | |
| Chase Buchanan | 173 | 8 |
The following players received wildcards into the singles main draw:
Kevin Jack Carpenter Lucas Gómez Tigre Hank Alan Núñez AguileraThe following players received entry from the qualifying draw:
The following players received entry as a special exempt:
Henrique CunhaThe following players received entry as an alternate:
See main article: 2015 Torneo Internacional Challenger León – Singles.
Austin Krajicek def. Adrián Menéndez Maceiras, 6–7(3–7), 7–6(7–5), 6–4See main article: 2015 Torneo Internacional Challenger León – Doubles.
Austin Krajicek / Rajeev Ram def. Guillermo Durán / Horacio Zeballos, 6–2, 7–5