Last name Gaustad (Gaustad 
) , globally, is quite a rare cognomen. The family name Gaustad is habitual in Northern Europe, particularly Norway, where it is quite a common surname, Latvia, where it is quite a rare surname, and Denmark, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Norway, the United States, and Latvia. Much less frequently, Gaustad is the forename as well as the last name.
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| Gaustad | Norway, Latvia, Poland, United States, Denmark |
| peter thorvald gaustad Norwegian politician (b. 1878) |
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| edwin gaustad American historian (1923-2011), US (b. 1923) |
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| mads gaustad (b. 1914) |
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| rolf gaustad Norwegian cross-country skier (1930-2018), NO (b. 1930) |
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paul gaustad American ice hockey player, US (b. 1982) |
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elin gaustad Norwegian singer, NO (b. 1988) |
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| randi gaustad Norwegian art historian (b. 1942) |
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| bo gaustad Norwegian illustrator (b. 1946) |
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| hal gaustad college basketball player (1958–1959) Montana State |
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| gabrielle gaustad researcher ORCID ID = 0000-0002-1481-0333 |
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| grace gaustad American singer-songwriter, US |
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| john anders gaustad Norwegian cross-country skier (b. 1980) |
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| jon-vidar gaustad researcher (b. 1980) |
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| tanja gaustad (b. 1973) |
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| tommy gaustad (b. 1976) |
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