Tôn (孫) (Anglicised as Ton) is a Vietnamese surname. It is transliterated as Sun in Chinese and Son in Korean.
Notable people Tôn Đức Thắng (1888–1980), first President of the Socialist Republic of Vietnam Tôn Hiếu Anh (), Vietnamese model
See also Tôn Thất, a Vietnamese compound surname Nguyễn Văn Tồn (1763–1820), Vietnamese general Phạm Duy Tốn (1881–1924), Vietnamese writer Trương Ngọc Tơn (born 1960), Vietnamese swimmer
vi:Tôn (họ)