Tô or To is a Vietnamese surname. It was formerly written in Chữ Nôm as 蘇.
It derived from the Chinese surname Su, which is written identically to the Chữ Nôm in traditional characters but as 苏 in modern simplified characters.
List of persons with the surname[edit]

Tô Hiến Thành, an official in the royal court of the Lý Dynasty
Tô Ngọc Vân, painter
Tô Vĩnh Diện, Viet Minh during the First Indochina War between France and Vietnam
Tô Thanh Phong

See also[edit]

To (surname), other surnames Anglicized as “To”

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