Centre Alliance, formerly known as the Nick Xenophon Team (NXT), is a centrist political party in Australia based in the state of South Australia. It currently has one representative in the Parliament, Rebekha Sharkie in the House of Representatives.

Nick Xenophon is an Australian politician and lawyer who was a Senator for South Australia from 2008 to 2017. He was the leader of two political parties: Nick Xenophon Team federally, and Nick Xenophon's SA-BEST in South Australia.