Marjolein Ley (Goutum, 1975) is a Dutch actress. She attended actor training at Theater School in Arnhem (Netherlands).

Ley played the role of inspector Lysette Blauw in Dutch television series Vuurzee. She had a guest role in Dutch television series Keyzer & De Boer Advocaten by KRO & NCRV. She also performed the role of Kim, Tom's girlfriend, in Dutch television series Gooische Vrouwen.