| ACT | COUNTRYCNT | EDITIONED | FESTIVALFES |
|---|---|---|---|
| Hey Elbow | SESweden 2018 | | |
| Hior Chronik | GRGreece 2018 | | |
| HMLTD | GBUnited Kingdom 2018 | | |
| Högni | ISIceland 2018 | | |
| Hollow Men | NLNetherlands 2018 | | |
| Holy | SESweden 2018 | | |
| Hope | DEGermany 2018 | | |
| Housewives | GBUnited Kingdom 2018 | | |
| Hrtl | CZCzech Republic 2018 | | |
| HUSKY LOOPS | ITItaly 2018 | | |
| IAMDDB | GBUnited Kingdom 2018 | | |
| IAMJJ | DKDenmark 2018 | | |
| Iceage | DKDenmark 2018 | | |
| IDER | GBUnited Kingdom 2018 | | |
| Iguana Death Cult | NLNetherlands 2018 | | |
| Isaac Gracie | GBUnited Kingdom 2018 | | |
| Isac Elliot | FIFinland 2018 | | |
| Jacin Trill | NLNetherlands 2018 | | |
| Jacob Banks | GBUnited Kingdom 2018 | | |
| Jade Bird | GBUnited Kingdom 2018 | | |
| Jafaris | IEIreland 2018 | | |
| Jagd | NLNetherlands 2018 | | |
| Janice | SESweden 2018 | | |
| Jardier | SISlovenia 2018 | | |
| Jeangu Macrooy | NLNetherlands 2018 | | |
| Jesus Chrüsler Supercar | SESweden 2018 | | |
| Jo Goes Hunting | NLNetherlands 2018 | | |
| Joost | NLNetherlands 2018 | | |
| Josylvio | NLNetherlands 2018 | | |
| Kareem Kalokoh | GRGreece 2018 | | |
| Katie Koss | NLNetherlands 2018 | | |
| Keir | GBUnited Kingdom 2018 | | |
| KillASon | FRFrance 2018 | | |
| Kim Hoorweg | NLNetherlands 2018 | | |
| KO KO MO | FRFrance 2018 | | |
| Komodo | NLNetherlands 2018 | | |
| KONOBA & R.O | BEBelgium 2018 | | |
| Korfbal | NLNetherlands 2018 | | |
| Kraantje Pappie | NLNetherlands 2018 | | |
| Kuenta I Tambu | NLNetherlands 2018 | | |
| KYTES | DEGermany 2018 | | |
| L.A. | ESSpain 2018 | | |
| Leafs | NLNetherlands 2018 | | |
| Leoniden | DEGermany 2018 | | |
| lilly among clouds | DEGermany 2018 | | |
| Loïc Nottet | BEBelgium 2018 | | |
| Lomboy | BEBelgium 2018 | | |
| Lorenzo Senni | ITItaly 2018 | | |
| Luca D'Alberto | ITItaly 2018 | | |
| LUWTEN | NLNetherlands 2018 | |