| ACT | COUNTRYCNT | EDITIONED | FESTIVALFES |
|---|---|---|---|
| Laura Misch | GBUnited Kingdom 2019 | | |
| LION | GBUnited Kingdom 2019 | | |
| L.A. Salami | GBUnited Kingdom 2017 | | |
| Let's Eat Grandma | GBUnited Kingdom 2017 | | |
| Låpsley | GBUnited Kingdom 2015 | | |
| Lonely The Brave | GBUnited Kingdom 2014 | | |
| Laura Mvula | GBUnited Kingdom 2013 | | |
| Luke Sital-Singh | GBUnited Kingdom 2013 | | |
| Lianne La Havas | GBUnited Kingdom 2012 | | |
| Lucy Rose | GBUnited Kingdom 2012 | | |
| Loops Haunt | GBUnited Kingdom 2010 | | |
| Los Campesinos! | GBUnited Kingdom 2010 | | |
| Love Amongst Ruin | GBUnited Kingdom 2010 | | |
| Lowline | GBUnited Kingdom 2009 | | |
| Lightspeed Champion | GBUnited Kingdom 2008 | | |
| Larrikin Love | GBUnited Kingdom 2007 | | |
| Liset Alea | CUCuba /GBUnited Kingdom 2006 | | |
| Little Barrie | GBUnited Kingdom 2005 | | |
| Lo Fidelity All Stars | GBUnited Kingdom 2002 | | |
| LFO/Team G-man | GBUnited Kingdom 1999 | |