Aloys Oosterwijk (1956) is a Dutch cartoonist. He is the winner of the 2007 Stripschapprijs. In 2025 he won the Stripschapsprijs for the book Marengo, that he made with Marieke de Witte. Since 1996 he publishes a weekly comic strip Willems Wereld in the Dutch magazine Panorama. Oosterwijk is also known as a courtroom sketch artist.