Luca Vanni (born 4 June 1985) is an Italian former professional tennis player.

He competed mainly on the ATP Challenger Tour and ITF Futures, both in singles and doubles.

In 2015, he reached his first ATP final in the Brasil Open, but lost to Pablo Cuevas.

Later he qualified to the Madrid Masters and reached second round after defeating the world number 26 player Bernard Tomic.

In 2015, at the age of 30, he became the oldest Challenger winner in Portoroz, Slovenia.