(AV-12) USS "Pink" () USS "Pinkney" (APH-2) USS "Pinna" () USS "Pinnacle" (, MSO-462) USS "Pinnebog" (AOG-58) USS "Pinola" (1861, AT-33, ATA-206) USS "Pinon" () USS "Pinta" () USS "Pintado" (SS-387, SSN-672) USS "Pintail" () USS "Pinto" (ATF-90) USS "Piomingo" () USS "Pioneer" (AM-105, MCM-9) USS "Pioneer Valley" (AO-140) USS "Pipefish" (SS-388) USS "Piper" () USS "Pipit" () USS "Piqua" (,) USS "Piranha" () USS "Pirate" (,) USS "Piscataqua" (1866, 1869, AT-49, AOG-70, AOG-80) USS "Pit River" () USS "Pitamakan" () USS "Pitcairn" () USS "Pitchlynn" () USS "Pitkin County" (LST-1082) USS "Pitt" (APA-223) USS "Pittsburgh" (CA-4, CA-72, SSN-720) USS "Pivot" (, MSO-463)
Pl – Po USS "Placerville" (PC-1087) USS "Plaice" (SS-390) USS "Plainview" (AGEH-1) USS "Planter" (,) USS "Platono" () USS "Platte" (AO-186) USS "Plattsburg" (SP-1645) USS "Pledge" (, MSO-492) USS "Pleiades" (,) USS "Plover" (,) USS "Pluck" (, MSO-464) USS "Plumas County" (LST-1083) USS "Plunger" (SS-2, SS-179, SSN-595) USS "Plunkett" (DD-431) USS "Plymouth" (1844, 1867, SP-3308, PG-57) USS "Plymouth Rock" (LSD-29) USS "Pocahontas" (1852, AT-18, SP-3044, YT-266) USS "Pocasset" () USS "Pocatello" (PF-9) USS "Pochard" () USS "Pocomoke" (SP–571, SP–265, AV–9) USS "Pocono" (LCC-16) USS "Pocotagligo" () USS "Pogatacut"