Nigel Mooney (born 12 August 1965) is a blues and jazz singer, guitarist and songwriter from Ireland. Mooney came to prominence on the Irish blues scene in the 1980s with his Gripewater Blues Band, which opened for BB King and backed Dr John in Dublin. In the 1990s Mooney and his band switched to an acoustic jazz sound. His debut album All My Love's In Vain was Ireland's top selling jazz album in 2005.