Marcus de Bye sometimes spelt de Bie or de Bije (1638/39, The Hague - after 1688) was a Dutch painter and engraver.
He learnt to paint under Jacob van der Does, and produced some landscapes with animals in the style his teacher, but he is best known for his etchings of animals, after the designs of Paulus Potter and Markus Gerard. He died in 1670.
His works include
This article incorporates text from the article "DE BYE, Marcus" in Bryan's Dictionary of Painters and Engravers by Michael Bryan, edited by Robert Edmund Graves and Sir Walter Armstrong, an 1886–1889 publication now in the public domain.