Margaret Armen (September 9, 1921–November 10, 2003) was an American screenwriter and author.
Born in Washington, DC, she married Garo Armen in 1945. After raising a family, she developed a career writing for such television shows as The Rifleman, Star Trek (original and animated series), Marcus Welby, M.D., Wonder Woman, The Big Valley, and Flamingo Road.
In 1984, she published her first novel, The Hanging of Father Miguel, as M. A. Armen. She died on November 10, 2003 in Los Angeles.