| Oktoberfestus | Main & Mill Brewing Co. | Märzen | 5.5% |
| OktoberFish | Flying Fish Brewing Company | Märzen | 5.5% |
| Ol Av Skogen | Oxbow Brewing Company | Wild Ale | 8.5% |
| Ol Dusty Trail | Speciation Artisan Ales | | 6.5% |
| Ol Leghorn | Firestone Walker/Three Floyds | American Barleywine | |
| Ol Lenurb di Tamiami | Garagiste Meadery | Fruit and Field Beer | 14.0% |
| Öl Ljus Lager | ikea | European Pale Lager | |
| Öl Mörk Lager | ikea | European Dark Lager | |
| Ol Nagelfar Barrel Aged | Mikkeller | American Barleywine | 11.6% |
| Ol Oi | Jester King Craft Brewery | English Brown Ale | 6.3% |
| Ol' Cattywhompus | White Birch Brewing | English Barleywine | |
| Ol' Dirty Barrel | Belching Beaver | | |
| Ol' Dirty Santa | Rustic Road Brewing Co. | Sweet / Milk Stout | 7.6% |
| Ol' Drowsy's Madman | Paradox Beer Company | Saison | 6.5% |
| Ol' Fog Burner | Garrison Brewing Company | English Barleywine | 11.3% |