Karina Smirnoff (Ukrainian: Карина Смiрнова) (born January 2, 1978) is a Ukrainian professional ballroom dancer.
She is a five-time U.S. National Champion, World Trophy Champion, and Asian Open Champion. Smirnoff has won the title at the UK Open, is a three-time champion at the US Open, two-time champion at the Asian Open, five-time champion at the Dutch Open, and five-time US National Professional Champion. She has been ranked second in the world, and took second at the British Open Blackpool Dance Festival.
She is "the first woman to ever make the British Professional Final with three different partners".