| O2 ArenaLondon · United Kingdom | 2shows | 25videos | 2012–2014 |
| O2 City HallNewcastle · United Kingdom | 1show | 9videos | 2025 |
| O2 GuildhallSouthampton · United Kingdom | 2shows | 11videos | 2022–2025 |
| O2 RitzManchester · United Kingdom | 0shows | 0videos | — |
| Occupied 12 BarLondon · United Kingdom | 1show | 0videos | 2015 |
| OdyssudBlagnac · France | 1show | 0videos | 2006 |
| Off Broadway, St LouisSt Louis · United States | 1show | 1video | 2012 |
| Ogden Theater, DenverDenver · United States | 1show | 5videos | 2015 |
| Old Fire StationBournemouth · United Kingdom | 1show | 2videos | 2017 |
| Old National Center, IndianapolisIndianapolis · United States | 1show | 0videos | 2013 |
| Old No 7 BarBarnsley · United Kingdom | 1show | 0videos | 2014 |
| Old Red HouseWorkington · United Kingdom | 1show | 0videos | 2008 |
| Old Times Jazz BarWuxi · China | 1show | 0videos | 2010 |
| Old Trinity Hall, AustinAustin · United States | 1show | 0videos | 2015 |
| Olympia, MontréalMontréal · Canada | 1show | 3videos | 2023 |
| Olympic Opening CeremonyLondon · United Kingdom | 1show | 0videos | 2012 |
| Olympic Opening Ceremony RehearsalLondon · United Kingdom | 2shows | 0videos | 2012 |
| Oma’s Teich FestivalGrossfehen · Germany | 1show | 0videos | 2011 |
| OmearaLondon · United Kingdom | 1show | 0videos | 2019 |
| Ommegang Brewery, CooperstownCooperstown · United States | 1show | 0videos | 2014 |
| On Blackheath FestivalLondon · United Kingdom | 1show | 0videos | 2014 |
| One Eyed Jack’s, New OrleansNew Orleans · United States | 1show | 0videos | 2009 |
| One-Up RecordsAberdeen · United Kingdom | 1show | 0videos | 2007 |
| OosterpoortGroningen · Netherlands | 1show | 1video | 2013 |
| Open Air FestivalSt Gallen · Switzerland | 1show | 0videos | 2015 |
| Open Air Gampel FestivalGampel-Bratsch · Switzerland | 1show | 0videos | 2014 |
| Open Air HeitereZofingen · Switzerland | 1show | 0videos | 2017 |
| Open Air Theater, San DiegoSan Diego · United States | 1show | 0videos | 2016 |
| Open Flair FestivalEschwege · Germany | 3shows | 6videos | 2011–2023 |
| Oran MorGlasgow · United Kingdom | 2shows | 12videos | 2008–2015 |
| Oriental Theatre, DenverDenver · United States | 2shows | 1video | 2026 |
| OrpheumGraz · Austria | 1show | 4videos | 2016 |
| Orpheum Theatre, Los AngelesLos Angeles · United States | 1show | 0videos | 2017 |
| Osheaga FestivalMontreal · Canada | 2shows | 2videos | 2010–2013 |
| Oslo HackneyHackney · United Kingdom | 1show | 0videos | 2020 |
| OstwerkAugsburg · Germany | 1show | 9videos | 2014 |
| Other VoicesDingle · Ireland | 1show | 1video | 2011 |
| Ottakringer BrauereiVienna · Austria | 1show | 0videos | 2024 |
| Ottawa BluesfestOttawa · Canada | 1show | 0videos | 2013 |
| Outland Live, ColumbusColumbus · United States | 1show | 4videos | 2012 |
| OutpostHanoi · Vietnam | 1show | 0videos | 2024 |
| Outside Shepherd’s Bush EmpireLondon · United Kingdom | 1show | 0videos | 2009 |
| Ovens Auditorium, CharlotteCharlotte · United States | 2shows | 1video | 2017 |
| Oxford and Cherwell Valley CollegeOxford · United Kingdom | 1show | 0videos | 2008 |
| Oxford UnionOxford · United Kingdom | 1show | 0videos | 2019 |
| Oxjam, Coolings BarExeter · United Kingdom | 1show | 1video | 2009 |
| Oyster Bar, Wilkes-BarreWilkes-Barre · United States | 1show | 4videos | 2019 |
| Pabst Theatre, MilwaukeeMilwaukee · United States | 2shows | 7videos | 2018–2023 |
| Padova HallPadova · Italy | 1show | 9videos | 2024 |
| Palacio VistalegreMadrid · Spain | 1show | 0videos | 2020 |
| Palais Theatre, MelbourneMelbourne · Australia | 1show | 0videos | 2023 |
| PalladiumCologne · Germany | 4shows | 14videos | 2016–2025 |
| PalladiumRiga · Latvia | 2shows | 1video | 2023–2025 |
| Palm Door, AustinAustin · United States | 1show | 0videos | 2018 |
| Palmer Center, SXSW, AustinAustin · United States | 1show | 1video | 2013 |
| PalomaNîmes · France | 1show | 3videos | 2017 |
| Pan PiperParis · France | 1show | 0videos | 2024 |
| Pantages Theatre, MinneapolisMinneapolis · United States | 1show | 0videos | 2019 |
| Panthers, NewcastleNewcastle · Australia | 1show | 0videos | 2013 |
| Paper Tiger, San AntonioSan Antonio · United States | 1show | 4videos | 2018 |
| Pappy & Harriets, PioneertownPioneertown · United States | 1show | 0videos | 2008 |
| ParadisoAmsterdam · Netherlands | 1show | 1video | 2011 |
| Paramount Theater, HuntingtonHuntington · United States | 1show | 1video | 2012 |
| Paramount Theatre, SeattleSeattle · United States | 1show | 0videos | 2017 |
| Parco PaveseIgea Marina · Italy | 1show | 0videos | 2019 |
| Park Avenue CDsOrlando · United States | 4shows | 2videos | 2010–2018 |
| Park Prirode PapukVelika · Croatia | 1show | 0videos | 2012 |
| ParkenGothenburg · Sweden | 1show | 0videos | 2009 |
| ParkersKilmarnock · United Kingdom | 1show | 0videos | 2006 |
| Parklife FestivalJohannesburg · South Africa | 1show | 0videos | 2014 |
| Parr HallWarrington · United Kingdom | 2shows | 2videos | 2014–2016 |
| Paste Ruins at Newport Folk FestivalNewport · United States | 1show | 3videos | 2013 |
| Paste Studio ATLAtlanta · United States | 2shows | 12videos | 2012–2019 |
| Paul’s HouseBromley · United Kingdom | 1show | 0videos | 2009 |
| PavillionBath · United Kingdom | 0shows | 0videos | — |
| PavillionsPlymouth · United Kingdom | 1show | 0videos | 2014 |
| Peak District National ParkPikehall · United Kingdom | 1show | 0videos | 2009 |
| Pearl Street, NorthamptonNorthampton · United States | 1show | 2videos | 2013 |
| Pearl Theatre, Las VegasLas Vegas · United States | 1show | 0videos | 2023 |
| Pete’s Candy Store, New YorkNew York · United States | 1show | 0videos | 2007 |
| Pete’s HouseLondon · United Kingdom | 1show | 0videos | 2008 |
| Pete’s House, FulhamLondon · United Kingdom | 1show | 0videos | 2009 |
| Phase OneLiverpool · United Kingdom | 1show | 0videos | 2022 |
| Phatz BarMaidenhead · United Kingdom | 1show | 0videos | 2005 |
| Phoenix Concert Theatre, TorontoToronto · Canada | 3shows | 1video | 2018 |
| Phones4U ArenaManchester · United Kingdom | 1show | 4videos | 2014 |
| Picture HouseEdinburgh · United Kingdom | 1show | 2videos | 2012 |
| Pie & VinylPortsmouth · United Kingdom | 1show | 0videos | 2014 |
| Piedmont Hall, GreensboroGreensboro · United States | 1show | 2videos | 2024 |
| Pier 17 Rooftop, New YorkNew York · United States | 1show | 2videos | 2023 |
| Pier 2Bremen · Germany | 1show | 5videos | 2016 |
| Pier BandroomFrankston · Australia | 1show | 0videos | 2026 |
| Pier Six Pavilion, BaltimoreBaltimore · United States | 1show | 3videos | 2018 |
| Pine LodgeMyrtleville · Ireland | 1show | 1video | 2010 |
| Pinkpop FestivalLandgraaf · Netherlands | 1show | 4videos | 2015 |
| Pitka Kuuma Kesa FestivalHelsinki · Finland | 1show | 0videos | 2009 |
| PJ HallBangor · United Kingdom | 1show | 2videos | 2012 |
| PJ MolloysDunfermline · United Kingdom | 1show | 0videos | 2011 |
| PlatformaSt Petersburg · Russia | 1show | 0videos | 2006 |
| Play Network, SeattleSeattle · United States | 1show | 0videos | 2015 |