| ACT | COUNTRYCNT | EDITIONED | FESTIVALFES |
|---|---|---|---|
| SOOM T | GBUnited Kingdom 2016 | | |
| Steve'n'Seagulls | FIFinland 2016 | | |
| Stormzy | GBUnited Kingdom 2016 | | |
| St. Tropez | NLNetherlands 2016 | | |
| Stuart Mavis | NLNetherlands 2016 | | |
| Surinaams Goud | NLNetherlands 2016 | | |
| Svavar Knútur | ISIceland 2016 | | |
| Sven Hammond | NLNetherlands 2016 | | |
| SVPER | ESSpain 2016 | | |
| Samaris | ISIceland 2015 | | |
| Santa Fé | NLNetherlands 2015 | | |
| Sarah-Jane | NLNetherlands 2015 | | |
| Sascha Elisah | NLNetherlands 2015 | | |
| SBMG | NLNetherlands 2015 | | |
| Sea Change | NONorway 2015 | | |
| Seinabo Sey | SESweden 2015 | | |
| SEKUOIA | DKDenmark 2015 | | |
| Sevdaliza | NLNetherlands 2015 | | |
| Sexton Creeps | NLNetherlands 2015 | | |
| Shaka Ponk | FRFrance 2015 | | |
| Shannon Saunders | GBUnited Kingdom 2015 | | |
| Shura | GBUnited Kingdom 2015 | | |
| Sisters | IEIreland 2015 | | |
| Skálmöld | ISIceland 2015 | | |
| SKIP&DIE | NLNetherlands 2015 | | |
| Snowapple | NLNetherlands 2015 | | |
| SOAK | IEIreland 2015 | | |
| Sofie Winterson | NLNetherlands 2015 | | |
| Softengine | FIFinland 2015 | | |
| Soldier's Heart | BEBelgium 2015 | | |
| Sóley | ISIceland 2015 | | |
| Sólstafir | ISIceland 2015 | | |
| SPIDERGAWD | NONorway 2015 | | |
| Sporadisch | NLNetherlands 2015 | | |
| Sprokkelhout | NLNetherlands 2015 | | |
| Stuart Mavis | NLNetherlands 2015 | | |
| STUFF. | BEBelgium 2015 | | |
| Sue the Night | NLNetherlands 2015 | | |
| Sumera | NLNetherlands 2015 | | |
| Sunset Sons | GBUnited Kingdom 2015 | | |
| Sväva | NLNetherlands 2015 | | |
| Sven Hammond | NLNetherlands 2015 | | |
| Swinder | NLNetherlands 2015 | | |
| Sŵnami | GBUnited Kingdom 2015 | | |
| Szabó Balázs Bandája | HUHungary 2015 | | |
| Saint Raymond | GBUnited Kingdom 2014 | | |
| Sam Smith | GBUnited Kingdom 2014 | | |
| Sandra van Nieuwland | NLNetherlands 2014 | | |
| Say Yes Dog | LULuxembourg 2014 | | |
| Scarlett O'Hanna | BEBelgium 2014 | |