Marjorie Heins (born 1946[1]) is a First Amendment lawyer, writer and founder of the Free Expression Policy Project.

[5] In the 1980s as staff counsel at the Massachusetts chapter of the American Civil Liberties Union (ACLU), Heins litigated numerous civil rights matters, including LGBT rights and free speech.

[7] Heins also investigated the Boston Police Department's treatment of the notorious Carol Stuart murder case, in which a white man murdered his wife but claimed to be a victim of a carjacking by an African American man.

In 1991–92, she was chief of the Civil Rights Division at the Massachusetts Attorney General's Office.

At the American University of Paris, she taught "Free Expression and the Media: Policy and Law.