| Hacker | Hackler, Doll Wigs | Hair Clipper, Power |
| Hair Preparer | Hair Stylist | Hair Worker |
| Hair-boiler Operator | Hair-sample Matcher | Hair-spinning-machine Operator |
| Hairspring Adjuster | Hairspring Assembler | Hairspring Cutter I |
| Hairspring Cutter Ii | Hairspring Truer | Hairspring Vibrator |
| Ham-rolling-machine Operator | Hammer Adjuster | Hammer Operator |
| Hammer-mill Operator | Hammersmith | Hand Filer, Balance Wheel |
| Hand Sewer, Shoes | Hand Stamper | Handbag Framer |
| Hander-in | Handicapper, Harness Racing | Handkerchief Folder |
| Handle Assembler | Handle Maker | Handle-and-vent-machine Operator |
| Handle-machine Operator | Handler | Hands Assembler |
| Harbor Master | Hardener | Hardener Helper |
| Hardening-machine Operator | Hardness Inspector | Hardness Tester |
| Hardware Assembler | Harness Builder | Harness Cleaner |
| Harness Maker | Harness Placer | Harness Puller |
| Harness Rigger | Harness-and-bag Inspector | Harp Maker |
| Harp Regulator | Harp-action Assembler | Harpsichord Maker |
| Harvest Contractor | Harvest Worker, Field Crop | Harvest Worker, Fruit |
| Harvest Worker, Vegetable | Harvester Operator | Hasher Operator |
| Hassock Maker | Hat Blocker | Hat Braider |
| Hat Conditioner | Hat Finisher | Hat Maker |
| Hat Trimmer | Hat-and-cap Sewer | Hat-block Maker |
| Hat-blocking-machine Operator I | Hat-blocking-machine Operator Ii | Hat-body Sorter |
| Hat-finishing-materials Preparer | Hat-forming-machine Feeder | Hat-forming-machine Operator |
| Hat-lining Blocker | Hat-stock-laminating-machine Operator | Hatch Tender |
| Hatter | Hay Sorter | Hazardous-waste Management Specialist |
| Head Coach | Head Doffer | Head Inspector |
| Head Operator, Sulfide | Head Sawyer | Head Sawyer, Automatic |
| Head Trimmer | Head-bander-and-liner Operator | Head-gauge-unit Operator |
| Head-machine Feeder | Head-saw Operator, Insulation Board | Header |
| Heading Matcher And Assembler | Heading Repairer | Heading-machine Operator |
| Heading-saw Operator | Headwaiter/headwaitress | Health Officer, Field |
| Health Physicist | Health-equipment Servicer | Hearing Aid Specialist |
| Hearing Officer | Hearing-aid Repairer | Heat Curer |
| Heat Reader | Heat Treater | Heat Treater I |
| Heat Treater Ii | Heat Welder, Plastics | Heat-transfer Technician |
| Heat-treat Inspector | Heat-treat Supervisor | Heat-treater Apprentice |
| Heat-treater Helper | Heat-treating Bluer | Heater |
| Heater Helper | Heater I | Heater Ii |
| Heater Tender | Heater-planer Operator | Heating-and-air-conditioning Installer-servicer |
| Heating-and-air-conditioning Installer-servicer Helper | Heating-and-blending Supervisor | Heating-plant Superintendent |
| Heavy Forger | Heavy-forger Helper | Heavy-media Operator |
| Heddle Cleaner, Machine | Heddle-machine Operator | Heddles Tier, Jacquard Loom |
| Heel Attacher, Wood | Heel Breaster, Leather | Heel Builder, Machine |
| Heel Compressor | Heel Dipper | Heel Gouger |
| Heel Pricker | Heel Scorer | Heel Sorter |
| Heel Sprayer, Machine | Heel-nailing-machine Operator | Heel-seat Fitter, Hand |
| Heel-seat Fitter, Machine | Heel-seat Laster, Machine | Heel-washer-stringing-machine Operator |
| Helicopter Pilot | Helmet Coverer | Helper, Electrical |
| Helper, Liquefaction-and-regasification | Helper, Manufacturing | Helper, Metal Bonding |
| Helper, Metal Hanging | Helper, Shear Operator | Hemmer |
| Hemmer, Automatic | Hemmer, Blindstitch | Hemmer, Chainstitch |
| Hemmer, Lockstitch | Hemmer, Overlock | Hemming-and-tacking-machine Operator |
| Hemstitching-machine Operator | Herbarium Worker | Hide Handler |
| Hide Inspector | Hide Puller | Hide Splitter |
| Hide Stretcher, Hand | Hide Trimmer | High Rigger |
| High-density Finishing Operator | High-energy-forming Equipment Operator | Highway-administrative Engineer |
| Highway-maintenance Supervisor | Highway-maintenance Worker | Histopathologist |
| Historian | Historian, Dramatic Arts | Historic-site Administrator |
| History-card Clerk | Histotechnologist | Hobbing-press Operator |
| Hog Tender | Hog-confinement-system Manager | Hogshead Cooper I |
| Hogshead Cooper Ii | Hogshead Cooper Iii | Hogshead Hooper |
| Hogshead Inspector | Hogshead Mat Assembler | Hogshead Mat Inspector |
| Hogshead Opener | Hoist Operator | Hoisting Engineer |
| Holiday-detector Operator | Hollow-handle-knife Assembler | Holter Scanning Technician |
| Home Attendant | Home Economist | Home-service Director |
| Homemaker | Honey Extractor | Honey Grader-and-blender |
| Honey Processor | Honeycomb Decapper | Honing-machine Operator, Production |
| Honing-machine Set-up Operator | Honing-machine Set-up Operator, Tool | Hood Maker |
| Hoof And Shoe Inspector | Hook Puller | Hook Tender |
| Hooker Inspector | Hooker-laster | Hooking-machine Operator |
| Hoop Bender, Tank | Hoop Coiler | Hoop Maker, Machine |
| Hoop-flaring-and-coiling-machine Operator | Hoop-maker Helper, Machine | Hop Strainer |
| Hop Weigher | Hopper Attendant | Hopper Feeder |
| Horizontal-earth-boring-machine Operator | Horizontal-earth-boring-machine-operator Helper | Horse Trainer |
| Horse-race Starter | Horse-race Timer | Horseradish Maker |
| Horseshoer | Horticultural Therapist | Horticultural Worker I |
| Horticultural Worker Ii | Horticultural-specialty Grower, Field | Horticultural-specialty Grower, Inside |
| Horticulturist | Hose Cutter, Hand | Hose Cutter, Machine |
| Hose Inspector And Patcher | Hose Maker | Hose Wrapper |
| Hose-coupling Joiner | Hose-tubing Backer | Hosiery Mender |
| Hospital-admitting Clerk | Hospital-insurance Representative | Hospital-television-rental Clerk |
| Host/hostess | Host/hostess, Dance Hall | Host/hostess, Ground |
| Host/hostess, Head | Host/hostess, Restaurant | Hostler |
| Hot Box Operator | Hot-car Operator | Hot-cell Technician |
| Hot-die-press Operator | Hot-plate-plywood-press Operator | Hot-press Operator |
| Hot-room Attendant | Hot-stone Setter | Hot-top Liner |
| Hot-top-liner Helper | Hot-wire Glass-tube Cutter | Hot-wort Settler |
| Hotel Clerk | Hothouse Worker | House Builder |
| House Mover | House Officer | House Repairer |
| House Sitter | House Worker, General | House-mover Helper |
| House-mover Supervisor | House-piping Inspector | Housecleaner |
| Household-appliance Installer | Housekeeper | Housekeeper, Home |
| Housing-management Officer | Hull And Deck Remover | Hull Inspector |
| Huller Operator | Human Resource Advisor | Humidifier Attendant |
| Humidifier Operator | Humorist | Hydrate-control Tender |
| Hydraulic Blocker | Hydraulic Engineer | Hydraulic Operator |
| Hydraulic Press Operator | Hydraulic Repairer | Hydraulic-billet Maker |
| Hydraulic-boom Operator | Hydraulic-chair Assembler | Hydraulic-jack Adjuster |
| Hydraulic-press Operator | Hydraulic-press Servicer | Hydraulic-pressure-auto-frettage-machine Operator |
| Hydraulic-pressure-auto-frettage-machine-operator Supervisor | Hydraulic-rubbish-compactor Mechanic | Hydraulic-strainer Operator |
| Hydro-pneumatic Tester | Hydro-sprayer Operator | Hydroelectric-machinery Mechanic |
| Hydroelectric-machinery-mechanic Helper | Hydroelectric-plant Maintainer | Hydroelectric-station Operator |
| Hydroelectric-station Operator, Chief | Hydrogenation Operator | Hydrographer |
| Hydrologist | Hydrometer Calibrator | Hypnotherapist |
