| ACT | COUNTRYCNT | EDITIONED | FESTIVALFES |
|---|---|---|---|
| Jake Isaac | GBUnited Kingdom 2015 | | |
| James Bay | GBUnited Kingdom 2015 | | |
| Jasper Staal | NLNetherlands 2015 | | |
| Jett Rebel | NLNetherlands 2015 | | |
| Joana Serrat | ESSpain 2015 | | |
| Joco | DEGermany 2015 | | |
| Joëlle Smidt | NLNetherlands 2015 | | |
| John Coffey | NLNetherlands 2015 | | |
| Jonas Alaska | NONorway 2015 | | |
| Journeyman Soundsystem | NLNetherlands 2015 | | |
| JoyCut | ITItaly 2015 | | |
| Joy Wellboy | BEBelgium 2015 | | |
| Jungle by Night presenteert Tropenkolder in de Polder | NLNetherlands 2015 | | |
| Júníus Meyvant | ISIceland 2015 | | |
| Kaleo | ISIceland 2015 | | |
| Karien Kremira | NLNetherlands 2015 | | |
| Kate Havnevik | NONorway 2015 | | |
| Kate Tempest | GBUnited Kingdom 2015 | | |
| Kensington | NLNetherlands 2015 | | |
| Kiasmos | ISIceland 2015 | | |
| Kid Astray | NONorway 2015 | | |
| Klaus Johann Grobe | CHSwitzerland 2015 | | |
| Kormac | IEIreland 2015 | | |
| Kovacs | NLNetherlands 2015 | | |
| Kuenta i Tambu | NLNetherlands 2015 | | |
| Kypski (live) | NLNetherlands 2015 | | |
| Låpsley | GBUnited Kingdom 2015 | | |
| Lary | DEGermany 2015 | | |
| La Sra. Tomasa | ESSpain 2015 | | |
| Les Big Byrd | SESweden 2015 | | |
| LE VASCO | FRFrance 2015 | | |
| Li-Lo* | BEBelgium 2015 | | |
| Little Dots | BEBelgium 2015 | | |
| LOUISV | NLNetherlands 2015 | | |
| Low Roar | ISIceland 2015 | | |
| Maaike Ouboter | NLNetherlands 2015 | | |
| Maarten Vos | NLNetherlands 2015 | | |
| Magnetron DJ Team | NLNetherlands 2015 | | |
| Maika Makovski | ESSpain 2015 | | |
| Maison du Malheur | NLNetherlands 2015 | | |
| MakeBelieve | NLNetherlands 2015 | | |
| Malky | DEGermany 2015 | | |
| Mammút | ISIceland 2015 | | |
| Manon Meurt | CZCzech Republic 2015 | | |
| Mapei | SESweden 2015 | | |
| Marmozets | GBUnited Kingdom 2015 | | |
| Martyn Ell | NLNetherlands 2015 | | |
| M-Band | ISIceland 2015 | | |
| MC Prophet | NLNetherlands 2015 | | |
| Meadowlake | NLNetherlands 2015 | |