Sally Gordon Thomas is a former Judge of the Supreme Court of the Northern Territory, serving from 1992 to 2009. She was appointed to the Court on 10 August 1992 and was the first woman to be appointed a Judge of the Court. She was sworn in as the first female Administrator of the Northern Territory in October 2011. One of her first engagements in the role was to welcome Barack Obama, the President of the United States, to Darwin during his visit in November 2011.

The administrator of the Northern Territory is an official appointed by the governor-general of Australia to represent the government of the Commonwealth in the Northern Territory, Australia. They perform functions similar to those of a state governor.