Ekaterina Leonidovna Ivanchikova (Katsiaryna Leanidawna Ivanchykava) (Russian: Екатерина Леонидовна Иванчикова; Belarusian: Кацярына Леанідаўна Іванчыкава/Kaćaryna Leabidaúna Ivančykava; born (1987-08-18)18 August 1987) is a Belarusian and Russian singer and vocalist at Belarusian-Russian band IOWA.

Katya's first performance on stage was in 1992 at the regional competition among kindergarteners, while the jury awarded her first place.

In school, she was engaged in various kinds of art, including painting, dance, music, piano, and of course, singing.

Throughout her adolescence, Ivanchikova was busy writing songs and developing ideas for creating a music group.

12 October 2016 Ekaterina Ivanchikova married IOWA's guitarist Leonid Tereschenko, which met for over 9 years.