Family name Vicious (สมศัก 
, Vicious 
, 尤迪 ) , around the world, is a rare last name. The cognomen Vicious is characteristic of Indonesia, where it is a rare surname, New Zealand, where it is a very rare surname, and Israel. Not in comparison with a country's population, it most frequently occurs in Indonesia, the United States, and China. Also, Vicious is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สมศัก | Thailand |
| Vicious | Germany, China, Indonesia, Spain, United States |
| 尤迪 | China |
| Вишес | Russia |
Vîcîous, and วิเชียรโหตุ
|
sid vicious English bassist (1957–1979), GB (b. 1957) |
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felix vicious American pornographic actress, US (b. 1983) |
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| johnny vicious American DJ, US |
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| liz vicious American pornographic actress, US (b. 1987) |
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| nikki vicious |
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