Klavs is a predominantly Danish language masculine given name; which is a variant of Klaus. People bearing the name Klavs include:
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Klāvs Čavars (born 1996), Latvian basketball player
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Klavs Jørn Christensen (born 1961), Danish sport shooter
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Klavs F. Jensen (born 1952), Danish chemical engineer
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Klavs Bruun Jørgensen (born 1974), Danish handball player and coach
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Klavs Neerbek (born 1944), Danish author, entrepreneur. chemist and interlingua promoter
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Klavs Randsborg (1913–2016), Danish archaeologist
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Klavs Rasmussen (born 1966), Danish football manager