Lomberg is a Germanic surname. Notable people with the surname include:
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Bjørn Lomborg (born 1965), Danish author and environmentalist
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Charles Lomberg (1886–1966), Swedish decathlete
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Jon Lomberg
Jon Lomberg (born 1948) is an American space artist and science journalist. He was Carl Sagan's principal artistic collaborator for more than twenty years on many projects from 1972 through 1996. In 1998, the International Astronomical Union offic ...
(born 1948), American space artist and science journalist
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Ryan Lomberg (born 1994), Canadian ice hockey player
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Germanic-language surnames