| McBride Porter | Fitzpatrick's Brewing | American Porter | |
| McCafferty's Ale | North Country Brewery | Irish Red Ale | |
| McCaffery's | Argus Bewery | Cream Ale | 4.1% |
| McCarthy's Bane | Knee Deep Brewing | American Amber / Red Ale | 8.0% |
| McChouffe | Brasserie d'Achouffe | Belgian Dark Ale | 8.5% |
| McEwan's Scotch Ale | Caledonian Brewing | Scotch Ale / Wee Heavy | 8.0% |
| McEwan's Scotch Ale | Charles Wells Ltd. | Scotch Ale / Wee Heavy | 8.0% |
| McEwan's Scotch Ale | Wells and (&) Youngs Brewing Company Ltd. | Scotch Ale / Wee Heavy | 8.0% |
| McEwans Scotch Ale | Marston's | Scottish Ale | 8.0% |
| McGilligans IPA | The Livery | American IPA | 6.3% |
| McGovern's Oatmeal Stout | Belfast Bay Brewing Company | Oatmeal Stout | |
| McIlhenney's Irish Red | Alpine Beer Company | Irish Red Ale | 6.0% |
| McIntosh & Maple | Champlain Orchards Cidery | | 6.0% |
| McLaughlin’s Folly | Barrage Brewing Company | Oatmeal Stout | 5.7% |
| McLennium | BT McClintic Beer Company | | |