Charles Laquidara (born 1938) is an American radio disc jockey whose show, The Big Mattress, was broadcast in the Boston, Massachusetts area for nearly 30 years (1969–1996) on WBCN. He then spent four years doing The Charles Laquidara Radio Hour on WZLX. Throughout his career in broadcasting, Laquidara has been known for playing a wide variety of musical styles alongside rock music, including classical, jazz, disco, soul and funk, and for being an outspoken critic of corporate governance and American right-wing politics.