Margaretha "Gretha" Pieck (1898-1920) was a Dutch artist.

[2] Gretha and Adri exhibited together and shared a studio.

[4] Pieck was a member of the Kunstenaarsvereniging Sint Lucas [nl].

[5] Pieck died of Spanish influenza on 31 March 1920 in Maartensdijk at the age of 21.

[7] Media related to Gretha Pieck at Wikimedia Commons