Gian - Wikipedia- giàn rửa philippines ,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 see it contracted to Gian. It sometimes varies as Giam, particularly in combination with other given names. It is also a masculine Punjabi Sikh name meaning 'knowledge' and is a variant of the Sanskrit name Gyan.Gian - WikipediaGian 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 see it contracted to Gian. It sometimes varies as Giam, particularly in combination with other given names. It is also a masculine Punjabi Sikh name meaning 'knowledge' and is a variant of the Sanskrit name Gyan.