| Old Fortified | The Good Beer Company | Wild Ale | 5.5% |
| Old Fred | Brauerei Zoller-Hof | American Amber / Red Lager | 5.3% |
| Old Freddy Walker | Moor Beer Company | Old Ale | 7.4% |
| Old Friend | Indeed Brewing Company | | 7.0% |
| Old Fugget | Otto's Pub and Brewery | American Barleywine | 11.8% |
| Old Funkyballs | KTN Brewing | American Barleywine | 12.0% |
| old gak strong ale | Egan Brewing | Old Ale | |
| Old Geezer | Pellicle Vergistingen | | |
| Old Glory American Pale | Prairie Rock Brewing - Elgin | American Pale Ale | |
| Old Glory American Pale Ale | Great Dane Pub and Brewing | American Pale Ale | |
| Old Godfather | Speakeasy Ales and Lagers | | 10.2% |
| Old Godfather (Bourbon Barrel Aged) | Speakeasy Ales and Lagers | American Barleywine | 9.5% |
| Old Golden Hen | Morland and Co. | English Bitter | 4.1% |
| Old Grimmaster | American Solera | American Barleywine | 13.0% |
| Old Grinderface | Schooner Exact Brewing Company | American Barleywine | 9.9% |