Cognomen Thuần (Thuần 
) , across the world, is quite a rare last name. The surname Thuần is characteristic of South-eastern Asia, particularly Vietnam, where it is quite a rare surname. Very seldom, Thuần is the forename as well as the last name.
| phêrô đinh văn thuần VN (b. 1802) |
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| phạm thuần (b. 1905) |
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| phạm quốc thuần South Vietnamese commander, VN (b. 1926) |
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| ca lê thuần VN (b. 1938) |
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| phạm văn thuần association football player, VN (b. 1992) |
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