Tô or To is a Vietnamese surname. It was formerly written in chữ Hán as .
It derived from the Chinese surname Su, but is written as in modern simplified characters.
List of persons with the surname Tô Hiến Thành, an official in the royal court of the Lý dynasty Tô Trung Từ, a high-ranking general and attempted usurper of the Lý dynasty Tô Ngọc Vân, painter Tô Vĩnh Diện, Viet Minh during the First Indochina War between France and Vietnam Tô Lâm, Vietnam's current paramount leader (2024-) and Vietnamese police officer (1974–2024).
See also
Tó, Portuguese nickname To (surname), other surnames Anglicized as "To" To (disambiguation)
vi:Tô (họ)