Tatiana Okupnik vel Tatiana (born September 2, 1978, Łódź, Poland) is a Polish singer, composer and songwriter. She has a characteristic, unique voice timbre. Musically she collaborated e.g. with Tim Hutton, Wyclef Jean, Lenny White and Polish band Blue Café. In 2012, Okupnik joined the judging panel on the second series of the Polish reality television competition X Factor.