Lenka is a mononym of at least two artists: 1) Australia's Lenka Kripac. 2) A Pittsburgh, PA, USA's Lenka Clayton.
1) Lenka (born Lenka Kripac on 19 March 1978) is an Australian singer–songwriter, actress and former television personality, best known for her song "The Show," (produced by Stuart Brawley), from her self-titled 2008 album. Her song "Everything at Once" was also used in the official Windows 8 TV Ad. As a teenager, Lenka studied acting at the Australian Theatre For Young People, where she trained with actress Cate Blanchett.