Minna Carolina Mathilde Louise "Loja" Gesellius (March 15, 1879 – April 21, 1968) was a Finnish-American textile artist and sculptor.

She founded the weaving department at the Cranbrook Academy of Art in Michigan.

[4] Loja Saarinen started her career in 1928 when she founded one of the most productive weaving departments in the United States at the Cranbrook Educational Community.

Her most substantial work was for Kingswood School where her studio designed tapestries, rugs, curtains, and upholstery.

[1] Saarinen's work is characterized by simple geometric designs in subtle light and dark contrasts, with a frequent use of complementary colors.