| Leffe Blonde | Abbaye de Leffe | American Blonde Ale | 6.6% |
| Leffe Rituel 9 | Abbaye de Leffe | Belgian Pale Strong Ale | 9.0% |
| Leffe Royale Cascade IPA | Abbaye de Leffe | Belgian IPA | 7.5% |
| Leffe Royale Mapuche | Abbaye de Leffe | Belgian Pale Strong Ale | 7.5% |
| Leffe Royale Whitbread Golding | Abbaye de Leffe | Belgian IPA | 7.5% |
| Left Eye Right Eye | Track 7 Brewing | | 9.5% |
| Left Hand Milk Stout | Left Hand Brewing Company | Sweet / Milk Stout | 5.9% |
| Left Hand Milk Stout Nitro | Left Hand Brewing Company | Sweet / Milk Stout | 6.0% |
| Left of the Dial IPA | Notch Brewing Company | American IPA | 4.3% |
| Legacy Ale | Swans Brewpub / Buckerfield Brewery | English Barleywine | 10.0% |
| Legbiter Ale | Strangford Lough Brewing Company Ltd | English Pale Ale | 4.7% |
| Legend | Tommyknocker Brewery and Pub | American Brown Ale | 10.0% |
| Legend of the Liquid Brain | Bull & Bush Pub & Brewery | American Imperial Stout | 11.5% |
| Legendary Muskoka Oddity | Muskoka Brewery | Herb and Spice Beer | 8.0% |
| Legendary Series No. 1 - Brabo's Cut | Lakewood Brewing Co | Belgian Dark Strong Ale | 9.4% |