- plimsoll
- plunger
- ply
- point
- polacca
- polacre
- pole
- pontoon
- port
- post
- powder-monkey
- porthole
- post captain
- press
- preventer
- puddening
- pudding
- pull-haul
- pull-hauly
- pump-brake
- purchase
- put
- quarter
- pully-hauly
- quarter-deck
- quart
- racon
- radio beacon
- radio room
- radio sonobuoy
- rag
- raider
- rain
- ratlin
- ratling
- reach
- raise
- ram
- rating
- ratline
- recall
- reckoning
- rattle
- reamer
- reef
- reefer
- reefing
- reeve
- reserved
- rider
- rig
- rigger
- rhumb line
- rim
- riding
- road
- roadstead
- round
- rope-yarn
- round turn
- rounteing chart
- sag
- round-house
- roundhouse
- rouse
- royal
- royal sail
- run
- salute
- salvage
- scandalize
- school-ship
- scope
- scud
- sea-room
- sea lawyer
- sea-anchor
- seizing
- sennit
- seize
- shanghai
- sheer-legs
- sheet
- sheers
- shellback
- sick
- shear-legs
- sheep-shank
- sheepshank
- sheer
- sidelight
- sinnet
- smooth
- skivvies
- snub
- soft tack
- smoke-screen
- snow
- soldier
- small stores