Juraj Griglák ( )
Justice ( Alternative / Electronica )
Kadebostany ( )
Kae Tempest ( Rap )
Kagoule ( Alternative rock )
Kaiser Chiefs ( Indie / Rock )
Kal Marks ( Alternative rock )
Kamil Mikulčík ( )
Karaoke Tundra ( Hip hop )
Karl Blau ( Indie folk )
Karol Mikloš ( Alternative rock )
Karolina Czarnecka ( Electronica / Hip hop / Reggae )
Karparské chrbáty ( Alternative / Rock / Alternative rock )
Karpatskí Pastieri ( )
Karpina ( )
Kasabian ( Indie / Neo-psychedelia / Psychadelic / Rock )
Katarína Koščová ( )
Katarína Máliková ( Alternative / Folk / Synthpop / Indie folk )
Katarzia ( Alternative / Electronica / Folk / Alternative rock )
Kate Tempest ( Hip hop )
Kathryn Calder ( Alternative rock / Indie rock )
Keaton Henson ( Indie folk )
Keleketla! ( Electronica / World music )
Kelly Lee Owens ( Electronica / Dream pop )
Keosz ( )
Kevin Abstract ( )
Kevin Morby ( Folk / Indie )
Khruangbin ( Psychadelic / Psychadelic rock / Instrumental )
Kiasmos ( Electronica / Experimental )
Kieran Leonard ( Alternative rock / Indie rock )

Kieslowski ( )
Kikagaku Moyo ( Experimental / Folk )
Kills ( Alternative / Indie / Rock )
Kills Birds ( Alternative rock / Punk rock )
Kim Gordon ( Alternative rock )
King Creosote ( Indie )
King Gizzard & the Lizard Wizard ( )
King Krule ( Electronica / Post punk )
King Princess ( Indie pop )
King Shaolin ( )
King Stingray ( Indie rock )
King Tuff ( Neo-psychedelia / Garage rock )
Kings of Leon ( Alternative / Rock )
Kinsfolk ( )
Kinski ( Alternative rock )
Kirin J Callinan ( Post punk / Experimental rock )
Kittie ( Heavy Metal / Metal )
Kitty Daisy & Lewis ( Alternative )
KKR ( Rap )
klipers ( Alternative )
Kllo ( Electronica )
Knut Knotgursen ( )
Kokoroko ( )
Kolowrat ( Acoustic / Alternative rock )
KOMA ( )
Koňe a Prase ( Alternative / Electropop / Garage rock )
Konex ( Rap )
Korben Dallas ( Alternative / Rock )
Korn ( Metal / Rock )
Kowton ( Electronica )