Arnold Halliwell (portrayed by Terry Bozeman) is a minor character from the TV series Charmed, appearing in the Season One episode "The Witch is Back".
He was a mortal lawyer in San Francisco. He was murdered by the warlock Matthew Tate, who believed him to be the brother of the Charmed Ones due to him having the same last name. Matthew stormed into his office, demanding to know where 'his sisters' were and then killed him using Prue's power of Telekinesis.