| Peoria Civic Center Arena | Peoria | IL | USA | 0 |
| People's Bar & Grill | Ames | IA | USA | 3 |
| Penn's Landing | Philadelphia | PA | USA | 2 |
| Pearl Street | Northampton | MA | USA | 1 |
| Peabody Opera House | St. Louis | MO | USA | 1 |
| Patton Gym - Northwestern University | Evanston | IL | USA | 1 |
| Parque Grande José Antonio Labordeta | Zaragoza | | Spain | 0 |
| Park West | Chicago | IL | USA | 3 |
| Paramount Theatre | Oakland | CA | USA | 1 |
| Paradiso | Amsterdam | | Netherlands | 4 |
| Paradise Rock Club | Boston | MA | USA | 2 |
| Palma Auditorium | Mallorca | | Spain | 0 |
| Palau Música Catalana | Barcelona | | Spain | 1 |
| Palau Altea | Altea | | Spain | 0 |
| Palais Theatre | Melbourne | | Australia | 2 |
| Palacio de Congresos | Granada | | Spain | 1 |
| Palacio Vistalegre | Madrid | | Spain | 1 |
| Palacio Euskalduna Jauregia | Bilbao | | Spain | 1 |
| Palacio Euskalduna | Bilbao | | Spain | 1 |
| Palace Theatre | Louisville | KY | USA | 1 |
| Pakkahuone | Tampere | | Finland | 1 |
| PNC Bank Arts Center | Holmdel | NJ | USA | 1 |
| PBS Soundstage | Chicago | IL | USA | 1 |
| Oya Festival | Oslo | | Norway | 1 |
| Oxford Towne Square | Oxford | MS | USA | 1 |
| Oxegen Festival | Dublin | | Ireland | 1 |
| Oxbow RiverStage | Napa | CA | USA | 0 |
| Overture Hall | Madison | WI | USA | 3 |
| Ovens Auditorium | Charlotte | NC | USA | 2 |
| Outside Lands | San Francisco | CA | USA | 0 |
| Outdoors On 9th Street | Columbia | MO | USA | 2 |
| Otto's | DeKalb | IL | USA | 4 |
| Ottawa Blues Fest | Ottawa | ON | Canada | 1 |
| Orpheum Theatre | Boston | MA | USA | 2 |
| Orpheum Theatre | Madison | WI | USA | 3 |
| Orpheum Theatre | Vancouver | BC | Canada | 2 |
| Orpheum Theater | Flagstaff | AZ | USA | 1 |
| Orpheum Theater | Omaha | NE | USA | 1 |
| Oregon State Fair | Salem | OR | USA | 1 |
| Open Road Radio Show, KCRW | Santa Monica | CA | USA | 1 |
| Open Air Theater - San Diego State University | San Diego | CA | USA | 1 |
| Oosterpoort | Groningen | | Netherlands | 1 |
| On The Water Front Festival | Rockford | IL | USA | 1 |
| Omni New Daisy Theatre | Memphis | TN | USA | 1 |
| Olympic Velodrome | Carson | CA | USA | 1 |
| Olympia Theatre | Dublin | | Ireland | 1 |
| Old Town School of Folk Music | Chicago | IL | USA | 2 |
| Old Town Music School Fest | Chicago | IL | USA | 1 |
| Old National Events Plaza | Evansville | IN | USA | 0 |
| Ogden Theatre | Denver | CO | USA | 2 |
| Ogden Amphitheater | Ogden | UT | USA | 0 |
| Obihall | Florence | | Italy | 1 |
| Oberhausen Arena | Oberhausen | | Germany | 1 |
| Oasis | Zaragoza | | Spain | 2 |
| Oakdale Theatre | Wallingford | CT | USA | 2 |
| OLT Rivierenhof | Antwerp | | Belgium | 0 |
| O2 Forum Kentish Town | London | | England | 0 |
| O2 Brixton Academy | London | | England | 0 |
| O2 Academy Leeds | Leeds | | England | 1 |
| Nuerburgring | Nuremberg | | Germany | 1 |
| Norwegian Wood Festival | Oslo | | Norway | 1 |
| Northrop Auditorium - University of Minnesota | Minneapolis | MN | USA | 1 |
| Northern Alberta Jubilee Auditorium - University of Alberta | Edmonton | AB | Canada | 3 |
| NorthSide Festival | Aarhus | | Denmark | 0 |
| North Charleston Performing Arts Center | Charleston | SC | USA | 2 |
| North Carolina Museum Of Art | Raleigh | NC | USA | 1 |
| Nissan Pavilion | Bristow | VA | USA | 1 |
| Newport Music Hall | Columbus | OH | USA | 2 |
| New Pine Knob Music Theater | Clarkston | MI | USA | 1 |
| New Jersey Performing Arts Center | Newark | NJ | USA | 1 |
| Nelsonville Festival | Nelsonville | OH | USA | 1 |
| Navy Pier Grand Ballroom | Chicago | IL | USA | 1 |
| National Arts Centre | Ottawa | ON | Canada | 1 |
| Nashville River Stages | Nashville | TN | USA | 1 |
| Nachtieben | Frankfurt | | Germany | 1 |
| NPR Fresh Air | | | | 1 |
| Musikhuset | Aarhus | | Denmark | 1 |
| Music Midtown | Atlanta | GA | USA | 1 |
| MuseumsQuartier | Vienna | | Austria | 0 |
| Museu de Arte Moderna | Rio de Janeiro | | Brazil | 1 |
| Murat Theatre | Indianapolis | IN | USA | 3 |
| Murat Egyptian Room | Indianapolis | IN | USA | 1 |
| Munchen Brewery | Stockholm | | Sweden | 1 |
| Mud Island Amphitheatre | Memphis | TN | USA | 2 |
| Mountainlair Ballroom (West Virginia University) | Morgantown | WV | USA | 1 |
| Mountain Stage | Charleston | WV | USA | 2 |
| Mountain Jam | Hunter | NY | USA | 0 |
| Mountain Aire Festival | Angel's Camp | CA | USA | 1 |
| Moseley Folk Festival | Birmingham | | England | 0 |
| Morrison Center | Boise | ID | USA | 0 |
| Morning Becomes Eclectic, KCRW | Santa Monica | CA | USA | 4 |
| Moon River Festival | Chattanooga | TN | USA | 0 |
| Montgomery Performing Arts Centre | Montgomery | AL | USA | 1 |
| Mondavi Center for the Performing Arts | Davis | CA | USA | 1 |
| Molson Park | Barrie | ON | Canada | 1 |
| Molson Amphitheatre | Toronto | ON | Canada | 1 |
| Mobile Civic Center | Mobile | AL | USA | 1 |
| Mississippi Nights | St. Louis | MO | USA | 5 |
| Midway Stadium | St. Paul | MN | USA | 1 |
| Midway Lawn at Champlain Valley Expo | Essex Junction | VT | USA | 1 |