Elvis Sinosic (born 13 February 1971) is an Australian retired professional mixed martial artist who competed in the Ultimate Fighting Championship (UFC).

Sinosic is currently a political candidate for the Libertarian Party, contesting Bass Hill Ward on Canterbury Bankstown City Council in the 2024 New South Wales local elections.

Sinosic was exposed to a myriad of art forms including: Wrestling, Tae Kwon Do, Boxing, Jeet Kune Do, Kali, Silat, Muay Thai, Capoeira, Judo, Shootfighting, Brazilian Jiu-Jitsu.

[18] At the 2024 New South Wales local elections, Sinosic is again contesting for the Liberal Democrats (renamed to the Libertarian Party), running for Bass Hill Ward on Canterbury-Bankstown City Council.

[23][24] Elvis also trained popular Australian Martial Artist Michael Bray who he graded to purple belt, who has spent time pursuing reform in wealth distribution and marriage equality.