Lyndon William Terracini, AM (born 1950 in Sydney), is an Australian operatic baritone and since 2011 artistic director of Opera Australia. Terracini's professional operatic debut was in 1976 as Sid in The Australian Opera's production of Albert Herring at the Sydney Opera House. Before taking up his post at Opera Australia, he was artistic director of the Queensland Music Festival in 2000 and the Brisbane Festival from 2006 until 2009