Mario Condello (12 April 1952 – 6 February 2006) was an Italian-Australian criminal. Condello, a lawyer, was a part of the Carlton Crew, and a key figure of the Melbourne gangland killings. In the drama series Underbelly Mario Condello is played by actor Martin SacksCondello was a former lawyer born in Melbourne, Australia. He had a criminal record consisting of arson, fraud and drug trafficking and was also suspected by police to have been involved in multiple murders. In 2005 he was charged with plotting to murder crime boss Carl Williams, who also faced charges of scheming to ambush Condello.
He was shot dead in his driveway on 6 February, 2006, a day before he was due to stand trial for conspiracy to murder Williams. Police feared that his murder would be the resumption of the gangland wars. Six hundred mourners attended his funeral, with Mick Gatto serving as a pallbearer, his murder remains unsolved.