| Item Name↑ | Code Name | Version | Type | Category | Mod | |
 | Homemade Pineapple Yogurt | HCJarhomemadeyogurtpineapple | B41 Beta | Food | Food Dairy | Hydrocraft |
 | Homemade Plastic Case | HCSelfmadeplasticcase | B41 Beta | Normal | Plastic | Hydrocraft |
 | Homemade Soap | HCSoap | B41 Beta | Drainable | Soapmaking | Hydrocraft |
 | Homemade Solar Panel | HCSelfmadesolarpanel | B41 Beta | Normal | Solar | Hydrocraft |
 | Homemade Stracciatella Yogurt | HCJarhomemadeyogurtstracciatella | B41 Beta | Food | Food Dairy | Hydrocraft |
 | Homemade Tzatziki | HCJarhomemadetzatziki | B41 Beta | Food | Food Dairy | Hydrocraft |
 | Homemade Watermelon Yogurt | HCJarhomemadeyogurtwatermelon | B41 Beta | Food | Food Dairy | Hydrocraft |
 | Homemade Yogurt with Apple | HCJarhomemadeyogurtapple | B41 Beta | Food | Food Dairy | Hydrocraft |
 | Homemade Yogurt with Blueberries | HCJarhomemadeyogurtblueberries | B41 Beta | Food | Food Dairy | Hydrocraft |
 | Homemade Yogurt with Citrus Fruit | HCJarhomemadeyogurtcitrusfruit | B41 Beta | Food | Food Dairy | Hydrocraft |
 | Homemade Yogurt with Cranberries | HCJarhomemadeyogurtcranberries | B41 Beta | Food | Food Dairy | Hydrocraft |
 | Homemade Yogurt with Raspberries | HCJarhomemadeyogurtraspberries | B41 Beta | Food | Food Dairy | Hydrocraft |
 | Homemade Yogurt with Strawberries | HCJarhomemadeyogurtstrawberries | B41 Beta | Food | Food Dairy | Hydrocraft |
 | Honey | Honey | 41.1 | Food | items_food | Classic |
 | Honey | HCHoney | B41 Beta | Food | Apiculture | Hydrocraft |
 | Honey Powder | HCHoneypowder | B41 Beta | Food | Apiculture | Hydrocraft |
 | Honeybee | HCHoneybee | B41 Beta | Normal | Apiculture | Hydrocraft |
 | Honeybun | HCHoneybun | B41 Beta | Food | Food Pastry | Hydrocraft |
 | Honeybun Dough | HCHoneybundough | B41 Beta | Food | Food Pastry | Hydrocraft |
 | Honeycomb | HCHoneycomb | B41 Beta | Normal | Apiculture | Hydrocraft |
 | Honeycomb Frame | HCHoneycombframe | B41 Beta | Normal | Apiculture | Hydrocraft |
 | Hoodie | HoodieUP_WhiteTINT | 41.1 | Clothing | clothing/clothing_jacket | Classic |
| Hoodie | HoodieDOWN_WhiteTINT | 41.1 | Clothing | clothing/clothing_jacket | Classic |
 | Hops | HCHops | B41 Beta | Normal | Herbalism | Hydrocraft |
 | Horse (Female) | HCHorsefemale | B41 Beta | Normal | Animals | Hydrocraft |
 | Horse (Male) | HCHorsemale | B41 Beta | Normal | Animals | Hydrocraft |
 | Horse Carcass | HCHorsemeat | B41 Beta | Food | Food Meat | Hydrocraft |
 | Horse Collar | HCHorsecollar | B41 Beta | Normal | Pet | Hydrocraft |
 | Horse Poop | HCHorsepoop | B41 Beta | Normal | Animals | Hydrocraft |
 | Horse Saddle | HCHorsesaddle | B41 Beta | Container | Pet | Hydrocraft |
 | Horse Skeleton | HCHorsebones | B41 Beta | Normal | Boneworking | Hydrocraft |
 | Horse with Saddle (Female) | HCHorsefemalesaddle | B41 Beta | Container | Animals | Hydrocraft |
 | Horse with Saddle (Male) | HCHorsemalesaddle | B41 Beta | Container | Animals | Hydrocraft |
 | Hospital Gown | HospitalGown | 41.1 | Clothing | clothing/clothing_suits | Classic |
 | Hot Cuppa | Mugfull | 41.1 | Food | items_food | Classic |
| Hot Drink | HotDrink | 41.1 | Food | items_food | Classic |
 | Hot Drink | HotDrinkRed | 41.1 | Food | items_food | Classic |
 | Hot Drink | HotDrinkWhite | 41.1 | Food | items_food | Classic |
 | Hot Drink | HotDrinkSpiffo | 41.1 | Food | items_food | Classic |
 | Hot Glue Gun | HCHotgluegun | B41 Beta | Normal | Tools | Hydrocraft |
 | Hot Glue Gun with Glue Stick | HCHotgluegunfull | B41 Beta | Drainable | Tools | Hydrocraft |
 | Hot Glue Sticks | HCHotgluestick | B41 Beta | Normal | Tools | Hydrocraft |
 | Hot sauce | Hotsauce | 41.1 | Food | items_food | Classic |
 | Hot Sauce | HCHotsauce | B41 Beta | Food | Food Condiments | Hydrocraft |
 | Hot Sausage | HCSausagehot | B41 Beta | Food | Food Sausage | Hydrocraft |
 | Hot Teacup | HotDrinkTea | 41.1 | Food | items_food | Classic |
 | Hotdog | Hotdog | 41.1 | Food | items_food | Classic |
 | HottieZ | HottieZ | 41.1 | Literature | items_literature | Classic |
 | House Fly | HCHousefly | B41 Beta | Normal | Bugs | Hydrocraft |
 | House Key | Key1 | 41.1 | Key | newitems | Classic |
 | House Key | Key2 | 41.1 | Key | newitems | Classic |
 | House Key | Key3 | 41.1 | Key | newitems | Classic |
 | House Key | Key4 | 41.1 | Key | newitems | Classic |
 | House Key | Key5 | 41.1 | Key | newitems | Classic |
 | House Spider | HCHousespider | B41 Beta | Normal | Bugs | Hydrocraft |
 | How to make Methanol | HCCookbookMethanol | B41 Beta | Literature | Blueprints | Hydrocraft |
 | How to Use Generators | ElectronicsMag4 | 41.1 | Literature | items_literature | Classic |
 | Hubcap | HCHubcap | B41 Beta | Normal | Auto | Hydrocraft |
 | Huckleberry | HCHuckleberry | B41 Beta | Food | Foraging | Hydrocraft |
 | Huge Battery | HCBatteryhuge | B41 Beta | Normal | Battery | Hydrocraft |
 | Huge Battery Case | HCBatteryhugecase | B41 Beta | Normal | Battery | Hydrocraft |
 | Hungry Chicken (Female) | HCChickenfemalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Chicken (Male) | HCChickenmalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Cow (Female) | HCCowfemalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Cow (Male) | HCCowmalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Donkey (Female) | HCDonkeyfemalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Donkey (Male) | HCDonkeymalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Goat (Female) | HCGoatfemalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Goat (Male) | HCGoatmalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Hamster (Female) | HCHamsterfemalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Hamster (Male) | HCHamstermalehungry | B41 Beta | Normal | Animals | Hydrocraft |
| Hungry Horse (Female) | HCHorsefemalehungry | B41 Beta | Normal | Animals | Hydrocraft |
| Hungry Horse (Male) | HCHorsemalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Pig (Female) | HCPigfemalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Pig (Male) | HCPigmalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Rabbit (Female) | HCRabbitfemalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Rabbit (Male) | HCRabbitmalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Sheep (Female) | HCSheepfemalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hungry Sheep (Male) | HCSheepmalehungry | B41 Beta | Normal | Animals | Hydrocraft |
 | Hunting Blind | HCHuntingblind | B41 Beta | Container | Carpentry | Hydrocraft |
| Hunting Blind | HCHuntingblind2 | B41 Beta | Container | Carpentry | Hydrocraft |
 | Hunting Knife | HuntingKnife | 41.1 | Weapon | items_weapons | Classic |
 | Hunting Textbook | HCBookhunting | B41 Beta | Literature | Books | Hydrocraft |
 | Husky (Female) | HCHuskyfemale | B41 Beta | Container | Dogs | Hydrocraft |
 | Husky (Male) | HCHuskymale | B41 Beta | Container | Dogs | Hydrocraft |
 | Hutch with Hungry Rabbits | HCRabbithutchhungry | B41 Beta | Normal | Animals | Hydrocraft |
| Hutch with Rabbits | HCRabbithutchfull | B41 Beta | Normal | Animals | Hydrocraft |
| Hutch with Tired Rabbits | HCRabbithutchtired | B41 Beta | Normal | Animals | Hydrocraft |
 | Hydrogen Chloride Tank | HCHclgastank | B41 Beta | Normal | Lab | Hydrocraft |
 | Hydrogen Peroxide | HCh2o2can | B41 Beta | Drainable | Plastic Cans | Hydrocraft |
 | Hydrogen Peroxide | HCGlassbottleh2o2 | B41 Beta | Drainable | Bottles | Hydrocraft |
 | Hydrogen Peroxide Label | HCLabelh2o2 | B41 Beta | Normal | Labels | Hydrocraft |
 | Hydrogen Tank | HCHydrogentank | B41 Beta | Normal | Lab | Hydrocraft |
 | IBC | HCIBCfull | B41 Beta | Drainable | Carpentry | Hydrocraft |
 | IBC Storage | HCIBCstoragefull | B41 Beta | Drainable | Carpentry | Hydrocraft |
 | IBC Tower | HCIBCtowerfull | B41 Beta | Drainable | Carpentry | Hydrocraft |
 | Ice Chest | HCIcechest | B41 Beta | Container | Containers | Hydrocraft |
 | Ice Cream | Icecream | B41 Beta | Food | items_food | Hydrocraft |
 | Ice Cream Cone | ConeIcecream | 41.1 | Food | items_food | Classic |
 | Ice Cream Scoop | HCIcecreamscoop | B41 Beta | Normal | Kitchen | Hydrocraft |
