Martien is both a given name and a surname. Notable people with the name include:
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Martien Houtkooper (1891–1961), Dutch footballer
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Martien Kas (born 1966), Dutch neuroscientist
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Martien Vreijsen (born 1955), Dutch footballer
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Samuel W. Martien (1854–1946), American cotton planter and politician
{{given name, type=both
Dutch masculine given names
Masculine given names