Ernest James "Ernie" Watts (born October 23, 1945) is an American jazz and rhythm and blues saxophonist who plays soprano, alto, and tenor saxophone. He has worked with Charlie Haden's Quartet West and toured with the Rolling Stones. On Frank Zappa's album The Grand Wazoo he played the "Mystery Horn", a straight-necked C melody saxophone. He played the notable saxophone riff on The One You Love by Glenn Frey.