Stephen Shane Parry is an Australian politician who was a Liberal Party senator for Tasmania from 2005 to 2017. He was elected President of the Senate in 2014. On 31 October 2017, Parry informed the government that he may be a British citizen, and issued his intention to resign from his position if dual nationality was confirmed. The next day he reported that he had received confirmation of his dual citizenship and, on 2 November, he resigned as president and from the Senate. He was replaced in the Senate by next Liberal Party Tasmanian Senate candidate and former senator Richard Colbeck after a recount.

The president of the Senate is the presiding officer of the Australian Senate, the upper house of the Parliament of Australia. The counterpart in the lower house is the speaker of the House of Representatives. The office of the presidency of the senate was established in 1901 by section 17 of the Constitution of Australia. The primary responsibilities of the office is to oversee senate debates, determine which senators may speak, maintain order and the parliamentary code of conduct during sessions and uphold all rules and orders of the senate. The current president is Sue Lines, who was elected on 26 July 2022.