Ivor Arthur Davies, AM (born 22 May 1955), known professionally as Iva Davies, is an Australian singer, songwriter, composer, multi-instrumentalist and record producer. He is known for his distinctive singing voice, which was influenced by contemporary glam rock singers. Davies' music career spans more than 40 years. He came to prominence in the early 1980s as co-founder and lead singer of rock band Icehouse, becoming one of Australia's top rock stars of that decade. He is the only member who has been with Icehouse throughout its entire history. In addition to his work with Icehouse, Davies has made music for television series and films, most notably as the composer for the film Master and Commander: The Far Side of the World. He has also had a solo career which included work on the soundtrack album The Berlin Tapes with Icehouse.