| 2017 Città di Caltanissetta | |
|---|---|
| Date | 12–18 June |
| Edition | 19th |
| Draw | 32S / 16D |
| Surface | Clay |
| Location | Caltanissetta, Italy |
| Champions | |
| Singles | |
 Paolo Lorenzi | |
| Doubles | |
 James Cerretani /Max Schnur | |
The2017Città di Caltanissetta was a professionaltennis tournament played onclay courts. It was the 19th edition of the tournament which was part of the2017 ATP Challenger Tour. It took place inCaltanissetta, Italy between 12 and 18 June 2017.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| ITA | Paolo Lorenzi | 34 | 1 |
 SRB | Dušan Lajović | 81 | 2 |
 KAZ | Mikhail Kukushkin | 85 | 3 |
 MDA | Radu Albot | 88 | 4 |
 ARG | Facundo Bagnis | 101 | 5 |
| ITA | Marco Cecchinato | 104 | 6 |
| ITA | Alessandro Giannessi | 109 | 7 |
| USA | Tennys Sandgren | 113 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Paolo Lorenzi def.Alessandro Giannessi 6–4, 6–2.James Cerretani /Max Schnur def.
Denys Molchanov /
Franko Škugor 6–3, 3–6, [10–6].
