| Louisville Slugger Field | Louisville | KY | USA | 1 |
| Lounge Ax | Chicago | IL | USA | 21 |
| Lowlands Festival | Biddinghuizen | | Netherlands | 2 |
| Ludlow's | Columbus | OH | USA | 1 |
| Lupos Heartbreak Hotel | Providence | RI | USA | 3 |
| Luxor | Cologne | | Germany | 2 |
| Lyangh's | Lexington | KY | USA | 1 |
| Lyric Opera House | Baltimore | MD | USA | 1 |
| MASS MoCA | North Adams | MA | USA | 1 |
| MSU Concert Auditorium | East Lansing | MI | USA | 1 |
| MTC | Cologne | | Germany | 1 |
| Mabel's | Champaign | IL | USA | 2 |
| MacEwan Hall - University Of Calgary | Calgary | AB | Canada | 2 |
| Macky Auditorium - University of Colorado at Boulder | Boulder | CO | USA | 1 |
| Madison Square Garden | New York | NY | USA | 3 |
| Magazzini Generali | Milan | | Italy | 1 |
| Main Debating Hall - Manchester University Student Union | Manchester | | England | 2 |
| Maine State Pier | Portland | ME | USA | 1 |
| Mainstage, Memorial Stadium, Bumbershoot Festival | Seattle | WA | USA | 0 |
| Maintenance Shop - Iowa State University | Ames | IA | USA | 1 |
| Majestic Theatre | Detroit | MI | USA | 4 |
| Malkin Bowl | Vancouver | BC | Canada | 1 |
| Manchester University | Manchester | | England | 1 |
| Mandel Hall, University of Chicago | Chicago | IL | USA | 1 |
| Mann Music Center | Philadelphia | PA | USA | 2 |
| Marcus Ampitheatre | Milwaukee | WI | USA | 1 |
| Markham Park | Sunrise | FL | USA | 1 |
| Markthalle | Hamburg | | Germany | 2 |
| Marquee Theatre | Tempe | AZ | USA | 1 |
| Mars | Bloomington | IN | USA | 1 |
| Martyr's | Chicago | IL | USA | 2 |
| Mary Washington College | Fredricksburg | VA | USA | 1 |
| Marymoor Park | Seattle | WA | USA | 2 |
| Massey Hall | Toronto | ON | Canada | 7 |
| Maxwell's | Hoboken | NJ | USA | 1 |
| Mayo Civic Center | Rochester | MN | USA | 1 |
| Mayo Civic Center Auditorium | Rochester | MN | USA | 1 |
| Mayo Island Music | Richmond | VA | USA | 1 |
| Mazda Palace | Milan | | Italy | 1 |
| McCabes Guitar Shop | | | | 1 |
| McCallum Theatre for the Performing Arts | Palm Desert | CA | USA | 1 |
| McCarren Park Pool | Brooklyn | NY | USA | 1 |
| McDonald Theatre | Eugene | OR | USA | 2 |
| Meadow Brook Music Festival | Rochester Hills | MI | USA | 2 |
| Meadowbrook Farm | Gilford | NH | USA | 2 |
| Mean Fiddle | London | | England | 1 |
| Meehan Auditorium - Brown University | Providence | RI | USA | 1 |
| Megaland | Landgraaf | | Netherlands | 1 |
| Mejenet | Lund | | Sweden | 1 |
| Melkweg (Milky Way) | Amsterdam | | Netherlands | 4 |
| Memorial Auditorium | Raleigh | NC | USA | 1 |
| Memorial Auditorium | Burlington | VT | USA | 1 |
| Memorial Chapel - Union College | Schenectady | NY | USA | 1 |
| Memorial Hall - UNC Chapel Hill | Chapel Hill | NC | USA | 2 |
| Memorial Stadium | Seattle | WA | USA | 1 |
| Memorial Stadium/Hawk's Nest | Boise | ID | USA | 1 |
| Mercury Entertainment @ Jazz | Austin | TX | USA | 1 |
| Mercury Lounge | New York | NY | USA | 4 |
| Merrill Auditorium | Portland | ME | USA | 1 |
| Merriweather Post Pavilion | Columbia | MD | USA | 5 |
| Mesa Amphitheater | Mesa | AZ | USA | 1 |
| Messe | Tokyo | | Japan | 1 |
| Metro Centre | Halifax | NS | Canada | 1 |
| Metropol | Pittsburgh | PA | USA | 2 |
| Metropolis | Montreal | QC | Canada | 4 |
| Metropolis Fremantle | Perth | | Australia | 1 |
| Meyerhoff Symphony Hall | Baltimore | MD | USA | 1 |
| Michaels 8th Avenue | Glen Burnie | MD | USA | 1 |
| Michigan Festival | East Lansing | MI | USA | 1 |
| Michigan Theater | Ann Arbor | MI | USA | 2 |
| Middle East Club | Cambridge | MA | USA | 1 |
| Midway Lawn at Champlain Valley Expo | Essex Junction | VT | USA | 1 |
| Midway Stadium | St. Paul | MN | USA | 1 |
| Mississippi Nights | St. Louis | MO | USA | 5 |
| Mobile Civic Center | Mobile | AL | USA | 1 |
| Molson Amphitheatre | Toronto | ON | Canada | 1 |
| Molson Park | Barrie | ON | Canada | 1 |
| Mondavi Center for the Performing Arts | Davis | CA | USA | 1 |
| Montgomery Performing Arts Centre | Montgomery | AL | USA | 1 |
| Morning Becomes Eclectic, KCRW | Santa Monica | CA | USA | 4 |
| Mountain Aire Festival | Angel's Camp | CA | USA | 1 |
| Mountain Stage | Charleston | WV | USA | 2 |
| Mountainlair Ballroom (West Virginia University) | Morgantown | WV | USA | 1 |
| Mud Island Amphitheatre | Memphis | TN | USA | 2 |
| Munchen Brewery | Stockholm | | Sweden | 1 |
| Murat Egyptian Room | Indianapolis | IN | USA | 1 |
| Murat Theatre | Indianapolis | IN | USA | 3 |
| Museu de Arte Moderna | Rio de Janeiro | | Brazil | 1 |
| Music Midtown | Atlanta | GA | USA | 1 |
| Musikhuset | Aarhus | | Denmark | 1 |
| NPR Fresh Air | | | | 1 |
| Nachtieben | Frankfurt | | Germany | 1 |
| Nashville River Stages | Nashville | TN | USA | 1 |
| National Arts Centre | Ottawa | ON | Canada | 1 |
| Navy Pier Grand Ballroom | Chicago | IL | USA | 1 |
| Nelsonville Festival | Nelsonville | OH | USA | 1 |
| New Jersey Performing Arts Center | Newark | NJ | USA | 1 |
| New Pine Knob Music Theater | Clarkston | MI | USA | 1 |
| Newport Music Hall | Columbus | OH | USA | 2 |
| Nissan Pavilion | Bristow | VA | USA | 1 |