Tatyana Aleksandrovna Navka, born 13 April 1975, is a Russian ice dancer. With partner Roman Kostomarov, she won the 2006 Olympic gold medal, was 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.
Ukraine