Arnold Dwight "Gatemouth" Moore (November 8, 1913 – May 19, 2004) was an American blues and gospel singer, songwriter, radio disc jockey, community leader and pastor, later known as Reverend Gatemouth Moore. During his career as a recording artist, Moore worked with Bennie Moten, Tommy Douglas and Walter Barnes, and his songs were recorded by B.B. King and Rufus Thomas. He was noted for his mellow singing voice, much in the style of Billy Eckstine.