Stephen Francis Smith (born 12 December 1955) is an Australian former politician and diplomat serving as the 26th and current high commissioner of Australia to the United Kingdom since 2023.

During the leadership crisis in the Labor Party in 2003, Smith was a prominent supporter of his fellow Western Australian, Kim Beazley.

[6] Following Kevin Rudd's return to the leadership of the ALP and as prime minister, on 27 June 2013 Smith announced he would not be a candidate at the 2013 federal election.

[10] Smith served as Chairman of ASX listed Canberra-based cyber security firm archTIS from March 2018[11] to July 2020.

[13] On 30 September 2022, Smith was named as the next High Commissioner of Australia to the United Kingdom, to take up office on 26 January 2023 following the completion of the Defence Strategic Review.