Alena Shirmanova-Kostebelova (Russian: Алёна Ширманова-Костебелова, pronounced [ɐˈlʲɵ.nə ʂɨrˈma.nə.və kə.stʲɪˈbʲe.lə.və]; born 26 December 1999), known by her stage name Aiko, is a Russian-Czech singer and songwriter based in Brighton, England.

[1][2][3] In 2015, Shirmanova participated in the fourth season of the reality talent show Česko Slovenská SuperStar.

[1] She then moved to the United Kingdom to pursue a musical career, first settling in London and later in Brighton.

She performed at the Rock for People, ESNS, Metronome Prague, The Great Escape, Grape, Nouvelle Prague, Sziget and Waves Vienna festivals, as well as following Alice Merton, Black Honey, Lauren Ruth Ward and Tamino in some of their tours as a supporting artist.

[7] Aiko is currently in a relationship with Spanish drummer Kat Almagro, who participated in the Eurovision Song Contest 2024 for San Marino as a member of Megara.