Øystein Ola Storrvik is a Norwegian lawyer and the criminal defense lawyer of Anders Behring Breivik, the terrorist behind the 2011 Norway attacks.
He attended Oslo Cathedral School and later got a law degree. In 1995 he etasblished his own law firm, Advokatfirmaet Storrvik. He is a permanent defense counsel in Oslo District Court and Borgarting Court of Appeal.