Marjolein Bastin (born 1943 in Loenen aan de Vecht) is a noted Dutch nature artist, writer, children's author and illustrator. She is the creator of the character "Vera the Mouse".
She studied at the Academy of Arts in Arnhem, where she met her husband and manager Gaston Bastin. Marjolein and Gaston Bastin have a daughter, Sanna (born in 1973), and a son, Mischa (born in 1974). Sanna, married and mother of Merel and Roos, runs the "Marjolein Bastin Kadowinkel" (The Marjolein Bastin Giftshop). Mischa is a lawyer in Kansas City, USA.
Marjolein and Gaston divide their time between country homes in the Netherlands and Missouri, and a tropical retreat in the Cayman Islands.