Cognomen Tri (Tri 
, ตรี 
, トリ 
) , all over the world, is a common family name. The surname Tri is characteristic of South-eastern Asia, particularly Indonesia, where it is quite a common surname, Vietnam, where it is quite a rare surname, and Brunei. In absolute terms, it most frequently occurs in Indonesia, Vietnam, and India. More frequently, Tri is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tri | Malaysia, India, Vietnam, United States, Indonesia |
| จักรตรี, ตรี | Thailand |
| トリ | Japan |
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nguyễn tri phương Vietnamese general, VN (b. 1806) |
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stephanus tri buu thien (b. 1950) |
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tri rismaharini Indonesian politician, ID (b. 1961) |
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tri mumpuni Indonesian social entrepreneur and philanthropist, ID (b. 1964) |
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tri yuli setyowati Indonesian politician (born 1976), ID (b. 1976) |
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tri tharyat ID (b. 1966) |
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tri bourne American beach volleyball player, US (b. 1989) |
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tri atmodjo marawasianto |
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| tri budiarto Indonesian politician (born 1947 in Purbalingga), ID (b. 1947) |
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| tri tamtomo political candidate (from Kota Jakarta Selatan; district Sumut III in 2009), ID (b. 1951) |
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| tri wisesa soetisna researcher, ID (b. 1957) |
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| tri baskoro tunggul satoto researcher (ORCID 0000-0003-4443-4751), ID (b. 1958) |
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| tri murny Indonesian politician, ID (b. 1958) |
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| tri bintang budiharjo Indonesian politician (born 1960 in Sukoharjo), ID (b. 1960) |
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| tri yulianto Indonesian politician (born 1961), ID (b. 1961) |
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Mi, Widodo, Wibowo, Mulyani, Santoso, Susanti, Susanto, Lestari, Ningsih, Nugroho, Hartono, Handoko, Hastuti, Wahyuni, Wahyudi, Sutrisno, Setiawan, Prasetyo, Hartanto, Haryanto, Yulianto, Handayani, Nguyen, Truong, Rahayu, Astuti, Do, Le, Ho, Vo, Vu, Cao, Bui, Ngo, Minh, Phan, Wulandari, Pham, Tran, Yono, Duong, Hoang, Huynh, Wahyu, Yanto, Utami, Utomo, Susilo, Dang, and Wahyuningsih