Leonard Lopate (born September 23, 1940) is an American radio personality. He is the host of the radio talk show Leonard Lopate at Large, broadcast on WBAI, and the former host of the public radio talk show The Leonard Lopate Show, broadcast on WNYC. He first broadcast on WKCR, the college radio station of Columbia University, and then later on WBAI, before moving to WNYC.