Samiu is a given name. Notable people with the given name include:
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Samiu Mohi (born c. 1962), Tongan rugby union player
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Samiu Kwadwo Nuamah (), Ghanaian academic
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Samiu Vahafolau (born 1978), Tongan rugby union player
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Samiu Vaipulu (born 1952), Tongan politician
{{Given name