Surname Gian Luca (Gian Luca 
) , globally, is a very rare cognomen. The cognomen Gian Luca is characteristic of Italy, where it is a very rare surname, Chile, and Venezuela. Much more frequently, Gian Luca is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gian Luca | Germany, Italy, Spain, Switzerland, Afghanistan |
Saba, Ibresi, Moretti, Salcuni, Catteruccia, Bartoli, Baghino, Rendina, Valenti, Ferrari, Interno, Malagoli, Costaggiu, Bernardo, Bonfatti, Bottazzi, Giuliani, Tripaldi, Falaschi, Ferrante, Antonacci, Pescarini, Lucano, Gianni, Greppi, Panari, Luca, Mosti, Sanna, Altea, Conti, Ciani, Basso, Bruno, Palin, Pezzi, Piccinini, Piras, Ghini, Fiore, Monica, Meloni, Siluri, Atzeni, Caroli, Casale, Canali, Bianco, Rossi, and Giannotti