- harbor master
- hard shoulder
- hatch coaming
- hatchway
- haul forward
- haulage contractor
- hawse pipe
- hazardous goods
- hazardous material
- head lime
- head rod
- heated container
- heater blower
- head for
- head stock
- heading selector
- headway
- heating resistor
- heating shield
- heave in
- heave to
- heaving line
- heavy seas
- heavy weather
- heel baseplate
- heel block
- heel plate
- helical spring
- heel
- heel chair
- heel pivot
- helicopter behavior
- helicopter behaviour
- helicopter station
- helm damage
- helm indicator
- helmswoman
- High Cube
- highway network
- hoist boom
- hoist pump
- hoisting block
- hoisting eye
- hoisting ring
- high seas
- Highway code
- hijack
- hinged stanchion
- hoist crane
- hoist lever
- hold
- holding brake
- holding speed
- holding track
- hollow axle
- hinge fork
- hired wagon
- hoisting carriage
- holding path
- holding procedure
- hollow tread
- hopper wagon
- Horizontal Curve
- hot start
- home port
- home signal
- home station
- homeward
- homeward passage
- homeward-bound
- honeycomb grill
- hopper dredger
- horizontal elevator
- horizontal rod
- hot box
- home freight
- home trade
- honeycomb filler
- hopper barge
- hopper dredge
- horizontal strut
- horn
- horn balance
- horse latitudes
- hospital ship
- house flag
- household economy
- hull drawings
- hull girder
- hump shunting
- hurricane deck
- hydraulic damper
- hydraulic gearbox
- hydraulic transmission
- hydrodynamic transmission
- hydrographic office
- hyperbolic navigation
- hydrodynamic brake
- hydrofoil
- hydroplane