| OE2 | Wolves & People Farmhouse Brewery | | 6.1% |
| Oeanside White IPA | Tomoka Brewing Company | American IPA | 6.5% |
| Oedipa Maas | Cellador Ales | Wild Ale | 11.5% |
| Oeil du mouton | Tête d'allumette | Herb and Spice Beer | 8.0% |
| Oenobier | Trillium / Monkish | Wild Ale | 9.3% |
| Oenobier (Chardonnay Juice) | Trillium / Monkish | Wild Ale | 11.0% |
| Oenobier (Viognier Juice) | Trillium / Monkish | Wild Ale | 10.9% |
| Oenobier: Chardonnay Juice | Trillium | Wild Ale | 11.0% |
| Oenobier: Chenin Blanc Juice | Trillium | Wild Ale | 10.9% |
| Oenobier: Muscat Juice | Trillium | Wild Ale | 9.3% |
| Oenobier: Semillon Juice | Trillium | Wild Ale | 10.8% |
| Oenobier: Viognier Juice | Trillium | Wild Ale | 10.9% |
| Oer & Kwel | Brouwerij De Molen | German Pilsner | 5.4% |
| Oerbier | Brouwerij De Dolle Brouwers | Belgian Dark Strong Ale | 9.0% |
| Oerbier Special Reserva | Brouwerij De Dolle Brouwers | Flanders Oud Bruin | 13.0% |