Robert Singer may refer to: Robert Singer (producer), a producer for various films and television series, such as Cujo Robert Singer (American politician) (born 1947), politician in New Jersey Robert Singer (Jewish leader) (born 1956), Jewish political leader Robert H. Singer, molecular biologist Bobby Singer, a fictional character on the Supernatural television series with the formal name Robert Steven Singer Bob Singer (born 1928), animation artist Robert (singer) (born 1964)