| Lolla Loft, Lollapalooza, ChicagoChicago · United States | 1performance | 1video | 2016 |
| Lollapalooza, ChicagoChicago · United States | 1performance | 2videos | 2010 |
| London Calling @ SIN ClubLondon · United Kingdom | 1performance | 0videos | 2008 |
| London Music Hall, LondonLondon · Canada | 3performances | 2videos | 2013–2018 |
| LonghornStuttgart · Germany | 1performance | 5videos | 2013 |
| Looe FestivalCornwall · United Kingdom | 1performance | 4videos | 2014 |
| Looney Tunes Records, West BabylonWest Babylon · United States | 2performances | 7videos | 2015–2024 |
| LoppenCopenhagen · Denmark | 1performance | 0videos | 2009 |
| Lost Evenings 2, The RoundhouseLondon · United Kingdom | 4performances | 51videos | 2018 |
| Lost Evenings 3, House Of Blues, BostonBoston · United States | 4performances | 36videos | 2019 |
| Lost Evenings 3, The Lansdowne, BostonBoston · United States | 1performance | 2videos | 2019 |
| Lost Evenings 4, The RoundhouseLondon · United Kingdom | 4performances | 58videos | 2021 |
| Lost Evenings 5Columbiahalle · Germany | 4performances | 58videos | 2022 |
| Lost Evenings 6, House Of Blues, AnaheimAnaheim · United States | 4performances | 36videos | 2023 |
| Lost Evenings 7, Great Canadian Casino, TorontoToronto · Canada | 4performances | 96videos | 2024 |
| Lost Evenings 8, Corn ExchangeEdinburgh · United Kingdom | 4performances | 72videos | 2025 |
| Lost Evenings 9, South Side Ballroom, DallasDallas · United States | 5performances | 24videos | 2024–2026 |
| Lost Evenings, The RoundhouseLondon · United Kingdom | 4performances | 67videos | 2017 |
| Lost Horizon, SyracuseSyracuse · United States | 3performances | 8videos | 2010–2021 |
| Loud Minority FestivalHo Chi Minh City · Vietnam | 1performance | 0videos | 2013 |
| Louis Pub, SaskatoonSaskatoon · Canada | 2performances | 0videos | 2012–2013 |
| Love Apple CafeBradford · United Kingdom | 1performance | 0videos | 2005 |
| Low Spirits, AlbuqerqueAlbuqerque · United States | 1performance | 0videos | 2010 |
| LöwensaalNuremberg · Germany | 1performance | 1video | 2019 |
| Lowertown Festival, St PaulSt Paul · United States | 1performance | 4videos | 2010 |
| Lowlands FestivalBiddinghuizen · Netherlands | 2performances | 4videos | 2011–2019 |
| Lowther Deer ParkPenrith · United Kingdom | 2performances | 0videos | 2009–2011 |
| LucernaPrague · Czech Republic | 2performances | 28videos | 2014–2016 |
| Lulworth CastleEast Lulworth · United Kingdom | 1performance | 0videos | 2009 |
| Luna Park, SydneySydney · Australia | 1performance | 1video | 2013 |
| LutakkoJyvaskala · Finland | 1performance | 0videos | 2013 |
| LuxorKoln · Germany | 1performance | 0videos | 2009 |
| M4Music FestivalZurich · Switzerland | 1performance | 1video | 2017 |
| Mac’s Bar, LansingLansing · United States | 2performances | 0videos | 2008–2010 |
| MacEwan BallroomCalgary · Canada | 3performances | 2videos | 2009–2016 |
| MacEwan Hall, University of CalgaryCalgary · Canada | 4performances | 9videos | 2009–2023 |
| Mad HattersInverness · United Kingdom | 2performances | 3videos | 2006 |
| Madame Siam, HollywoodHollywood · United States | 1performance | 0videos | 2015 |
| MADSRoma · Italy | 1performance | 0videos | 2008 |
| Magacin DepoBelgrade · Serbia | 1performance | 3videos | 2016 |
| Magazzini GeneraliMilan · Italy | 1performance | 2videos | 2022 |
| MagnetLiverpool · United Kingdom | 1performance | 0videos | 2006 |
| MagnetBerlin · Germany | 1performance | 4videos | 2009 |
| Magnolia ThunderpussyColumbus · United States | 1performance | 2videos | 2024 |
| Maida Vale StudiosLondon · United Kingdom | 1performance | 1video | 2013 |
| MaimarketgelandeMannheim · Germany | 1performance | 0videos | 2013 |
| Maimarkt ArenaMannheim · Germany | 1performance | 0videos | 2020 |
| MaiMarkthalleMannheim · Germany | 1performance | 1video | 2013 |
| Main Stage, 2000 Trees FestivalCheltenham · United Kingdom | 2performances | 1video | 2008–2024 |
| Main Stage, 2000 Trees FestivalGloucestershire · United Kingdom | 1performance | 2videos | 2013 |
| Main Street Armory, RochesterRochester · United States | 1performance | 0videos | 2010 |
| Main Street Music, ManayunkManayunk · United States | 1performance | 1video | 2013 |
| Main Street Project, AnthonyAnthony · United States | 1performance | 0videos | 2008 |
| Maine State Pier, PortlandPortland · United States | 1performance | 0videos | 2016 |
| Mainstage, MorgantownMorgantown · United States | 1performance | 4videos | 2016 |
| Majestic Theatre, MadisonMadison · United States | 1performance | 0videos | 2021 |
| Majestic Ventura Theatre, VenturaVentura · United States | 1performance | 5videos | 2024 |
| Maker FestivalCornwall · United Kingdom | 1performance | 0videos | 2007 |
| Mandela HallBelfast · United Kingdom | 1performance | 1video | 2010 |
| MannifestGlenlough · Isle of Man | 1performance | 0videos | 2011 |
| Manning Bar, SydneySydney · Australia | 1performance | 3videos | 2012 |
| Mansion, KingstonKingston · Canada | 2performances | 0videos | 2016 |
| Mao Live HouseShanghai · China | 1performance | 2videos | 2013 |
| Mao Live HouseBeijing · China | 1performance | 0videos | 2013 |
| Marathon Music Works, NashvilleNashville · United States | 3performances | 2videos | 2012–2024 |
| Market Hall, PeterboroughPeterborough · Canada | 1performance | 1video | 2025 |
| MarkthalleHamburg · Germany | 1performance | 2videos | 2022 |
| Marquis Theatre, DenverDenver · United States | 1performance | 5videos | 2009 |
| Marty’s House, RiversideRiverside · United States | 1performance | 2videos | 2010 |
| Martyrs, ChicagoChicago · United States | 1performance | 4videos | 2013 |
| MascotteZurich · Switzerland | 1performance | 0videos | 2009 |
| Mason’s BarDerry · United Kingdom | 2performances | 0videos | 2007–2009 |
| Masonic Temple, DetroitDetroit · United States | 1performance | 3videos | 2022 |
| Masons BarLondonderry · United Kingdom | 1performance | 0videos | 2009 |
| Massey Hall, TorontoToronto · Canada | 2performances | 3videos | 2016 |
| Matt’s House, BeverlyBeverly · United States | 1performance | 1video | 2009 |
| Mau ClubRostock · Germany | 1performance | 3videos | 2011 |
| Maverick’s, OttawaOttawa · Canada | 1performance | 2videos | 2011 |
| Max NachttheaterKiel · Germany | 2performances | 6videos | 2014–2016 |
| Max Schmeling HalleBerlin · Germany | 1performance | 4videos | 2022 |
| Maxwell’s, WaterlooWaterloo · Canada | 1performance | 0videos | 2016 |
| McClusky’sKingston-Upon-Thames · United Kingdom | 3performances | 0videos | 2008–2014 |
| McGreevy’s, BostonBoston · United States | 1performance | 2videos | 2015 |
| McHughes BasementBelfast · United Kingdom | 1performance | 0videos | 2007 |
| Meadowbrook Arena, GilfordGilford · United States | 1performance | 2videos | 2009 |
| Meadowlands Sports ComplexEast Rutherford · United States | 1performance | 0videos | 2011 |
| Meesh’s HouseNewbury · United Kingdom | 1performance | 0videos | 2006 |
| Meier Music HallBraunschweig · Germany | 1performance | 0videos | 2014 |
| MelkwegAmsterdam · Netherlands | 2performances | 38videos | 2009–2013 |
| Men’s Correctional CentreFreetown · Sierra Leone | 1performance | 0videos | 2020 |
| MeonfestHampshire · United Kingdom | 1performance | 0videos | 2015 |
| Meonstoke Primary SchoolHampshire · United Kingdom | 1performance | 0videos | 2006 |
| MeowWellington · New Zealand | 2performances | 1video | 2015–2023 |
| Mercury Ballroom, LouisvilleLouisville · United States | 3performances | 1video | 2016–2022 |
| Mercury LoungeCape Town · South Africa | 1performance | 0videos | 2014 |
| Merriweather Post Pavilion, ColumbiaColumbia · United States | 1performance | 0videos | 2016 |
| MeskalinaPoznan · Poland | 0performances | 0videos | — |
| MessehalleChemnitz · Germany | 1performance | 0videos | 2020 |
| MessehalleDresden · Germany | 1performance | 0videos | 2022 |
| MesseparkTrier · Germany | 1performance | 1video | 2011 |