| Fishy Zoap Auto | SeedStockers | | 60/40 | View variety |
| Fission | Slanted Farms Seed Company | | 80/20 | View variety |
| Fist Bump | Irie Genetics | | 60/40 | View variety |
| Five Deadly Venoms | Green Team Genetics | | 70/30 | View variety |
| Five Lemons | Skunk House Genetics | | 60/40 | View variety |
| Five Star | MassMedicalStrains | | 20/80 | View variety |
| Five-O | British Columbia Seed Company | | 80/20 | View variety |
| FiveStar x PuTang | MassMedicalStrains | | 30/70 | View variety |
| Fizbo | ThugPug Genetics | | 50/50 | View variety |
| Fizz | Unknown | | 50/50 | View variety |
| Fizz | Coool Beans | | 50/50 | View variety |
| Fizzy Bublé | James Loud Genetics | | 70/30 | View variety |
| Fizzy Drank | Exotic Genetix | | 60/40 | View variety |
| Fizzy Gorilla | Calyx Bros. Seed Co. | | 60/40 | View variety |
| Fizzy Pop | Karma Genetics | | 60/40 | View variety |
| Fla Krippy (K Star lineage, Top Dawg Seeds) | Unknown | | Unavailable | View variety |
| Flak Jacket | Archive Seed Bank | | 60/40 | View variety |
| Flama Blanca | Raw Genetics | | 60/40 | View variety |
| Flambe Mints (Flamebanger lineage, Bloom Seed Co) | Unknown | | Unavailable | View variety |
| Flame Thrower OG | Humboldt Seed Organisation | | 80/20 | View variety |