Elvis Sinosic (born 13 February 1971) is a retired Australian professional mixed martial artist and unsuccessful Political Candidate for United Australia in Blaxland. Perhaps best known for his seven-fight stint in the Ultimate Fighting Championship (UFC), where he ultimately accumulated a 1-6 record, he also competed in the Cage Rage Championships, K-1, and Pancrase. Sinosic fought for the UFC Light Heavyweight Championship at UFC 32 and has since spent many hours on Twitter, questioning Government and COVID-19 Vaccines.