| Hamburger Buns | Lit Farms | | 60/40 | View variety |
| Hamma Hamma | Pacific NW Roots | | 70/30 | View variety |
| Hamma Hamma F2 | Pacific NW Roots | | 70/30 | View variety |
| Hammer Cookies | Advanced Seeds | | 60/40 | View variety |
| Hammer Of The Gods | Cult Classics Seeds | | 50/50 | View variety |
| Hammer Shark | Resin Seeds | | 40/60 | View variety |
| Hammer The Pie | Viking Gardens | | 50/50 | View variety |
| Hammer Time | Viking Gardens | | 50/50 | View variety |
| Hammerhead | Breeders Choice | | 60/40 | View variety |
| Hammerhead | Gage Green Genetics | | 60/40 | View variety |
| Hammerhead | Medical Seeds Co. | | 80/20 | View variety |
| Hammerhead | Phat Panda | | 80/20 | View variety |
| Hammers Kush (Hammers Kush x Tom Hill Haze lineage, Hammerhead) | Unknown | | Unavailable | View variety |
| Hammers Kush x Tom Hill Haze | Hammerhead | | 20/80 | View variety |
| Han Shot First | Terp Fi3nd | | 60/40 | View variety |
| Han Solo Burger | Skunk House Genetics | | 60/40 | View variety |
| Han Solo Hashplant | Skunk House Genetics | | 70/30 | View variety |
| Hancock | Lupos CannaSeed | | 60/40 | View variety |
| Hang 10 | The Bank Genetics | | 60/40 | View variety |
| Hang Ten | Best Coast Genetics | Otto #2 · Otto II · (probably) × Otto II · (probably) | 40/60 | View variety |