| P. | Car park; passed (examination); Police; Pope; Port. |
| p. | Page; participle; past; piano (Italian), soft; pint; pole or perch. |
| Pa. | Pennsylvania. |
| P. A. | Personal assistant; power of attorney; Press Association; private account; provisional allowance; public address. |
| p.a. | Per annum (Latin), yearly. |
| P. & L. | Profit and loss. |
| P. & O. | Peninsular and Oriental. |
| par. | Paragraph; parallel; parish. |
| para. | Paragraph. |
| parl. | Parliamentary. |
| pars. | Paragraphs; parentheses. |
| Part. | Participating. |
| part. | Participle; particular. |
| Pat. | Patent. |
| P.A.Y.E. | Pay as you earn. |
| P.B. | British Pharmacopoeia; pawnbroker; Plymouth Brother, or Brethren; Prayer Book. |
| P.C. | Perpetual curate; police constable; Privy Councillor. |
| p.c. | Current prices; per centum (Latin), by the hundred; postcard. |
| P.C.T. | Provincial Cinematograph Theatres. |
| P.D. | Dublin Pharmacopoeia; position doubtful; postal district; potential difference; printer's devil. |
| pd. | Paid. |
| P.E. | Edinburgh Pharmacopoeia; personal estate; presiding elder. |
| ped. | Pedal. |
| P.E.I. | Prince Edward Island. |
| Pemb. | Pembrokeshire. |
| Pen. | Peninsula; penitentiary. |
| Pent. | Pentateuch; Pentecost. |
| pent. | Pentagon(-al); pentameter. |
| per cent. | Per centum (Latin), by the hundred. |
| perf. | Perfect; perform(-ance); perforated. |
| Perp. | Perpendicular (architecture). |
| per pro. | Per procurationem (Latin), by proxy, on behalf of. |
| Pers. | Persian. |
| pes. | Peseta; peso. |
| Pet. | Epistle of S. Peter. |
| Petriburg | Petriburyensis (Latin), of Peterborough (Bp.'s signature). |
| Pf. | Preference shares. |
| P.G. | German Pharmacopoeia; paying guest. |
| Ph. | Philosophy. |
| Phar. | Pharmaceutical; Pharmacopoeia. |
| Phil. | Epistle to the Philippians; Philharmonic; Philippine; philology; philosophy. |
| Philem. | Epistle to Philemon. |
| phon. | Phonetic(-ally). |
| phr. | Phrase. |
| pi. | Pice. |
| pinx. | Pinxit (Latin), he painted. |
| pizz. | Pizzicato (Italian), plucked. |
| Pk. | Park. |
| pk. | Pack (weight); peck (measure). |
| PI. | Place (street). |
| P.L. | London Pharmacopoeia; Poet Laureate. |
| P/L. | Profit and Loss. |
| pi. | Plate; plural. |
| Plen. | Plenipotentiary. |
| piff. | Plaintiff. |
| P.L.M. | Paris-Lyon-Marseille Railway. |
| plup. | Pluperfect. |
| P.M. | Pacific mail; past master; Paymaster; peculiar measure (music); piae memoriae (Latin), of pious memory; prime minister. |
| pm. | Premium. |
| p.m. | Post meridiem (Latin), afternoon; pro mense (Latin), by the month. |
| p.n. | Promissory note. |
| P.O. | Postal order; post office; power operated. |
| P.O.A. | Probation of Offenders Act. |
| p.o.d. | Pay on delivery. |
| P.O.P. | Printing-out paper. |
| pop. | Popular(-ly); population. |
| Port. | Portuguese. |
| P.O.S.B. | Post Office Savings Bank. |
| poss. | Possessive; possible. |
| posth. | Posthumous(-ly). |
| PP. | Patres (Latin), Fathers of the Church. |
| P.P. | Parish priest; present pupil. |
| pp. | Pages; pianissimo (Italian), very soft. |
| p.p. | Past participle; per procurationem (Latin), by proxy; post paid. |
| p.p.c. | Picture postcard. |
| p.p.i. | Policy as proof of interest. |
| P.P.S. | Parliamentary, or Principal, Private Secretary. |
| P.O. | Parliamentary question; Province of Quebec. |
| Pr. | Prayer; Preferred stock; priest; primitive; printer; Provencal. |
| P.R. | Populus Romanus (Latin), the Roman people; Prize Ring; Proportional Representation; Public Relations; Puerto Rico. |
| pr. | Pair; pounder; present; pressure; price; pronoun. |
| P.R.C. | Post Roman conditam (Latin), after the founding of Rome. |
| Preb. | Prebendary. |
| Pref. | Preface; Preference shares; Preferred stock; prefix. |
| Prelim. | Preliminary examination. |
| prem. | Premium. |
| prep. | Preparation; preparatory; preposition. |
| Pres. | Presbyterian; President. |
| Prim. | Primary; Primate; Primitive. |
| pro. | Professional. |
| Prob. | Probate; problem. |
| Proc. | Proceedings; Proctor. |
| Prof. | Professor. |
| Prom. | Promenade (concert); promontory. |
| pron. | Pronoun; pronounce(-d). |
| prop. | Properly; property; proposition; proprietary. |
| Propr. | Proprietor. |
| Prot. | Protestant. |
| pro tern. | Pro tempore (Latin), for the time being. |
| Prov. | Book of Proverbs; Provence; Provost. |
| prov. | Province; provincial; provisional. |
| prox. | Proximo mense (Latin), in the next month. |
| Ps(a). | Psalm. |
| P.S. | Passenger steamer; Permanent Secretary; police sergeant; postscriptum (Latin), additional writing; Private Secretary; Privy Seal; prompt side. |
| ps. | Pesetas; pieces. |
| P.S.A. | Pleasant Sunday Afternoon. |
| P.S.N.C. | Pacific Steam Navigation Company. |
| Pt. | Point (geographical); Port. |
| P.T. | Physical training; postal town; pupil teacher. |
| pt. | Part; payment; pint; point; port. |
| Ptg. | Participating. |
| ptg. | Printing. |
| P.T.I. | Physical Training Instructor. |
| P.T.O. | Please turn over. |
| pty. | Party; proprietary. |
| pub. | Public; publication; published. |
| publ. | Publish(-er) or (-ed). |
| P.U.S. | Pharmacopoeia of the United States. |
| P.X. | Please exchange. |
| pxt. | Pinxit (Latin), he painted. |