Tatiana Navka，Tatyana Aleksandrovna Navka (Russian: Татьяна Александровна Навка, born 13 April 1975) is a Russian ice dancer. With partner Roman Kostomarov, she is the 2006 Olympic champion, a two-time World champion (2004–05), a three-time Grand Prix Final champion (2003–05), and a three-time European champion (2004–06). Earlier in her career, she competed for the Soviet Union and Belarus.