Johan(nes) Abraham Bierens de Haan (March 17, 1883 – June 13, 1958) was a Dutch biologist and ethologist.
He was born in Haarlem, and died in Siena, Italy.
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| Name | Bierens De Haan |
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| Date of birth | March 17, 1883 |
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| Date of death | June 13, 1958 |
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