For the acronym GIAN, see
GIAN.
Gian is a masculine Italian given name. It is a variant of Gianni and is likewise used as a diminutive of Giovanni, the Italian form of John.
In Italian, any name including Giovanni can be contracted to Gian, particularly in combination with other given names, such as Gianfranco or Gianluca.
Gian is also an unrelated masculine(disambiguation)|Gyan]].
Notable people whose name is now typically expressed as Gian include:
- Gian Paolo Lomazzo, Italian painter
- Gian Lorenzo Bernini, Italian sculptor
- Gian Rinaldo Carli, Italian count, economist, and antiquarian
- Gian Gastone de' Medici, Grand Duke of Tuscany
- Gian Francesco Albani, Italian Catholic cardinal
- Gian Francesco Malipiero, Italian composer
- Gian Galeazzo Visconti, First Lord of Milan
- Gian Galeazzo Sforza, Sixth Lord of Milan
- Gian Marco Centinaio, Italian politician
- Gian Croci, Argentine footballer
- Gian Pyres, British musician
- Gian Maria Volonté, former actor
- Gian Sammarco, former actor
- Gian Carlo Menotti, composer and librettist
- Gian Sotto, Filipino politician
- Gian Piero Ventura, Italian football manager
- Gian Piero Gasperini, Italian football manager
- Gian (footballer, born 1974) (Giancarlo Dias Dantas), Brazilian footballer
- Gian Francesco Gonçalves Mariano, known as Gian, Brazilian footballer
- Gian (footballer, born 2001) (Gianluca Muniz Estevam), Brazilian footballer
- Gian Singh, several people
- Gian, alternate name of Giyan, a city in Iran
- Gian, alternate name of Takeshi Goda, a character in Doraemon