Linda Smith Dyer (August 6, 1948 – September 27, 2001) was an American lawyer, lobbyist, and women's rights activist. After a two-decade legal career, she entered public service as deputy commissioner of the Maine Department of Agriculture. She co-founded the Maine Women's Lobby and was active in the effort to ratify the Equal Rights Amendment in Maine. A member on numerous boards and committees, she was a past president of the Maine State Bar Association and the Family Planning Association of Maine. She was inducted into the Maine Women's Hall of Fame in 2001, a few months before her death.