Martijn may refer to:
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Martijn (given name) Martijn, occasionally written as Martyn, Martain or Martein () is Dutch language, Dutch given name. It is a cognate of Martin (name), Martin, and ultimately derived from the Roman Martinus (disambiguation), Martinus.In Iceland the name is written as ...
, a Dutch given name (including a list of people with the name)
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Vereniging Martijn, a defunct Dutch association that advocated the acceptance of pedophilia and legalization of sexual relationships between adults and children
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