Marjorie Zier (February 2, 1909 – March 9, 1952) was an American film actress.

Zier first became interested in acting as a child after trying on outlandish clothing from her mother's wardrobe. When she was 15, she dropped out of High School to become a full time actress. Her first film was The Ancient Mariner, where she played an extra. Her first major role was in the 1927 film Cactus Trails.^[1]

Zier was the third wife of Michael Cudahy, who was a descendant of meat-packing industrialist Michael Cudahy (industrialist). In 1941, Zier divorced Cudahy, citing cruelty.^[3]

In 1945, she moved in with real estate agent Stanley Wassil.^[4] In 1952, she and Wassil separated, with Zier keeping their apartment. A month later, Wassil beat Zier to death during an argument.^[5]