Cognomen Welding (Welding 
) , around the world, is quite a rare surname. The cognomen Welding is characteristic of Northern Europe, particularly Iceland, where it is quite a rare surname, Denmark, where it is a rare surname, and the United Kingdom. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Indonesia. Much less frequently, Welding is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Welding | United Kingdom, United States, Myanmar, South Africa, Indonesia |
| olaf welding (1893-1960) (b. 1893) |
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| pete welding American record producer, US (b. 1935) |
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| gary welding English darts player, GB (b. 1963) |
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| malte welding German journalist, DE (b. 1974) |
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| kevin welding researcher |
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| kevin michael welding Ph.D. University of California, Santa Barbara 2014 |
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| george david welding (died 1912) |
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| richard welding English rugby union player (b. 1981) |
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| lárus welding (b. 1976) |
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