Joe Maphis, born Otis W. Maphis (May 12, 1921 – June 27, 1986), was an American country music guitarist. He married singer Rose Lee Maphis in 1953.

One of the flashiest country guitarists of the 1950s and 1960s, Joe Maphis was known as The King of the Strings. He was able to play many stringed instruments with great facility. However, he specialized in dazzling guitar virtuosity.