Sam Riddle (December 12, 1937 – September 27, 2021) was an American television host, producer, and disc jockey. He gained fame as one of the original "Boss Radio" DJs on KHJ in Los Angeles. Riddle hosted the popular teen music programs 9th Street West and Hollywood a Go Go in the 1960s. He went on to produce various television shows, including the talent competition series Star Search.