Around the world, Nguyễn Tấn (Nguyễn Tấn 
) is a rare principally male, but very infrequently feminine forename. The forename Nguyễn Tấn is habitual in South-eastern Asia, particularly Vietnam, where it is a rare primarily masculine, but very infrequently feminine name. Much less frequently, Nguyễn Tấn is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nguyễn Tấn | Vietnam |
An, Toàn, Trung, Hùng, Hải, Hậu, Hưng, Quang, Kiệt, Thành, Tiến, Nghĩa, Ngọc, Nhựt, Hoàng, Hiền, Hiếu, Việt, Quốc, Đức, Đạt, Cường, Thanh, Lực, Lợi, Lộc, Sĩ, Anh, Duy, Nam, Huy, Vũ, Minh, Sang, Khoa, Phú, Phước, Linh, Tài, Hòa, Vinh, Bình, Bảo, Khang, Phong, Phúc, Dũng, Luân, Long, and Thịnh