This is a list of post-nominal letters given in Ireland. Most are used by custom rather than arising from any legislation.
| Office | Post-nominal | |
|---|---|---|
| Orders and Decorations | ||
| Military Medal for Gallantry | MMG | |
| Distinguished Service Medal | DSM | |
| Legal Positions | ||
| Senior Counsel | SC | |
| Peace Commissioner | PC | |
| University Degrees [a] | ||
| Doctorate | DD, LLD, DLitt, LittD, DMus, MusD, DSc, ScD, DMed, DPhil, PhD, DBA, DSocSci, EngD, EdD, STD, etc. | |
| Master's Degree | MA,MComm, MSc, MSci, MPhil, MLitt, MRes, MEng, MSocSc, MTh, LLM, PgD, MMath, MAcc, MFin, MBA, MEd, MEnt, MEd, PME, STL etc. | |
| Bachelor's Degree | BA, BSc, LLB, BCL, BComm, BEng, BE, BAI, BArch, BD, BTh, BDes, BBS, BEd, BMusEd STB, etc. | |
| University Diplomas [a] | ||
| Higher Diploma | HDip | |
| Postgraduate Diploma | PgD, PGDCCI(open), DCH, etc. | |
| Diploma of Higher Education/Certificate of Higher Education | DipHE/CertHE | |
| University Alumni | ||
| University College Cork | (NUI) | |
| University College Dublin | (NUI) | |
| University of Limerick | (Limerick) | |
| University of Dublin (Trinity College) | (Dubl. - Dublinensis) | |
| Dublin City University | (Dub City) | |
| University of Galway | (NUI) | |
| Maynooth University | (NUI) | |
| St. Patricks College, Maynooth (Pontifical University) | (Maynooth) | |
| Munster Technological University | (MTU) | |
| Legal Qualifications | ||
| Bachelor's Degrees | BCL, DipLaw/CPE | |
| Barrister at Law Degree | BL [1] | |
| Master's Degrees | LLM, LLB, MCL, MJur, | |
| Diploma in Legal Studies | DipLegalStud | |
| Doctorate | DPhil, PhD, LLD | |
| Honorary Doctorate | DCL (Hon), LLD (Hon) | |
| Medical Qualifications | ||
| Medicine | MB BCh BAO, BM BS, MD, etc. | |
| Surgery | MRCS, FRCSI, MS, MCh, etc. | |
| Physicians | MRCPI, FRCPI, MRCPath, MRCPsych etc. | |
| EMTs/Paramedics/Advanced Paramedics | NQEMT (EMT/Paramedic/Advanced Paramedic), Dip EMS Paramedic,PGDip EMS Advanced Paramedic, MSc Advanced Paramedic | |
| Licentiates in Medicine and Surgery | LRCPI, LRCSI, LAH, etc. | |
| Anaesthetists | MCAI, FCAI, FJICMI etc. | |
| Biomedical Scientists (UK) or Medical Scientist (Ireland) | LIBMS, MIBMS, FIBMS, CSci (UK) or MACSLM, FACSLM (Ireland) | |
| Nursing | BSc (Cur), BN | |
| General Practitioners | MICGP, FRCGP | |
| Pre-hospital Care Physicians | DipIMC RCSEd, FIMC RCSEd | |
| Emergency Physicians | MRCEM, FRCEM | |
| Physiotherapy | DPT, MCSP, FCSP, SRP, etc. | |
| Occupational therapy | MAOTI [2] | |
| Pharmacists | MPSI, | |
| Veterinary Nurses | VN, RVN | |
| Veterinary Surgeons | MVB, MRCVS, FRCVS | |
| Therapy Qualifications | ||
| Doctoral Degree | PhD, MD, PsyD, DMin | |
| Master's Degree | MSW, MEd, MSEd, MSc, MA, EdS, MDiv, PgD | |
| Licences | LPC, LMHC, LCPC, LPCC, LRTTP, LRTTT, LCMHC, LMHP, MFCC, LCSW | |
| Certifications | CADC, C.Hyp, Cl.Hyp, RTT | |
| Accreditations and Memberships | IACP, NCP, ICP, IAHIP, CHPA, GHSC, BACP, UKCP, BPA, EAP, BPS, ARCHTI, NAPCP, FICTA, NHR, IHR, IAPTP | |
| Teaching Qualifications | ||
| Postgraduate Certificate in Education | PGCE | |
| Professional Master of Education | PME | |
| Postgraduate Diploma in Education | PGDE | |
| Graduate Diploma in Education | GDEd | |
| Higher Diploma in Education | HDipEd | |
| Bachelor of Education | BEd | |
| National Teacher | NT | |
| Engineering Qualifications | ||
| European Engineer | EurIng | |
| Chartered Engineer | CEng | |
| Associate Engineer | AEng | |
| Engineering Technician | EngTech | |
| Information Technology Qualifications | ||
| Chartered IT Professional | CITP | |
| Financial Services Qualifications | ||
| CFA Charterholder (CFA Institute) | CFA | |
| Fellow of the Institute of Actuaries | FIA | |
| Chartered Accountant | ACA, FCA | |
| Chartered Certified Accountant(ACCA) | ACCA, FCCA | |
| Certified Public Accountant | CPA | |
| Chartered Institute of Management Accountants (CIMA) | ACMA, FCMA | |
| Accounting Technician (Accounting Technicians Ireland - formerly called IATI) | MIATI | |
| Professional Risk Manager (PRIMA) | PRM | |
| Financial Risk Manager (GARP) | FRM | |
| Qualified Financial Advisor | QFA | |
| Fellowship and Membership of Learned Societies [b] [c] | ||
| Member of the Academy of Clinical Science & Laboratory Medicine | MACSLM | |
| Fellow of the Academy of Clinical Science & Laboratory Medicine | FACSLM | |
| Member of the Institute of Archaeologists of Ireland | MIAI | |
| Member of the Royal Irish Academy | MRIA | |
| Member of the Engineers Ireland | MIEI | |
| Member of the Irish Computer Society | MICS [3] | |
| Member of the Royal College of Surgeons in Ireland | MRCSI | |
| Member of the Genealogical Society of Ireland | MGSI | |
| Fellow of the Royal Academy of Medicine of Ireland | FRAMI | |
| Member of the Royal Hibernian Academy | MRHA | |
| Member of the Royal Institute of the Architects of Ireland | MRIAI | |
| Member of the Royal Society of Antiquaries of Ireland | MSAI | |
| Member of the Royal Dublin Society | MRDS | |
| Member of the Honorable Society of King's Inns | MHSKI | |
| Member of the Institute of Designers in Ireland | MIDI | |
| Registered Member of the Archives and Records Association, Ireland | RMARA | |
| Registered Member or Fellow of the Parental Alienation Awareness Association | MPAAA, FPAAA | |
| Technician Member of Engineers Ireland | TechIEI | |
| Fellow of Engineers Ireland | FIEI | |
| Fellow of Irish Computer Society | FICS [3] | |
| Fellow of the Royal Anthropological Institute of Great Britain and Ireland | FRAI | |
| Fellow of the Irish Guild of Organists and Choristers | FIGOC | |
| Fellow of Trinity College Dublin | FTCD | |
| Scholar of Trinity College | Sch [4] | |
| Member of the Public Relations Institute of Ireland [5] | MPRII | |
| Member of the Irish Society of Cinematographers [6] | ISC | |
| Legislators | ||
| A Teachta Dála | TD | |
| Member of the European Parliament | MEP | |
| Church Titles | ||
| Church Curate | CC | |
| Parish Priest | PP | |
| Vicar general | VG | |
| Religious Institutes [b] | ||
| Canons Regular | CR + Initials of specific Congregation e.g. CRIC | |
| Praemonstratensians (or "Norbertines") | OPraem | |
| Order of St Benedict ("Benedictines") | OSB | |
| Order of Cistercians | OCist | |
| Trappists | OCSO | |
| Order of Preachers ("Dominicans" or "Blackfriars") Ordinis Praedicatorum | OP | |
| Conventual Franciscans ("Franciscans" or "Greyfriars") | OFM Conv. | |
| Capuchins Franciscans ("Capuchins") | OFM Cap. | |
| Order of Friars Minor ("Franciscans") | OFM | |
| Order of Saint Clare ("Poor Clares") | OSC | |
| Order of Saint Augustine ("Augustinians") | OSA | |
| Carmelites of the Ancient Observance ("Carmelites" or "Whitefriars") | OCarm | |
| Discalced Carmelites | OCD | |
| Order of Servants of Mary ("Servites") | OSM | |
| Brothers Hospitallers of St John of God ("St John of God Brothers") | OH | |
| Society of Jesus ("Jesuits") | SJ | |
| Institute of the Blessed Virgin Mary ("Loreto Sisters") | IBVM | |
| Vincentians | CM | |
| Daughters of Charity | DC | |
| Congregation of the Most Holy Redeemer ("Redemptorists") | CSsR | |
| Congregation of the Passion ("Passionists") | CP | |
| Congregatio Sancti Spiritus Holy Ghost Fathers | CSSp | |
| Salesians | SDB | |
| Society of the Divine Savior Salvatorians | SDB | |
| Society of Mary ("Marists") | SM | |
| Marist Brothers | FMS | |
| Fratres Scholarum Christianorum ("De La Salle Brothers") | FSC | |
| Religious Sisters of Mercy ("Mercy Sisters") | RSM | |
| Religious Sisters of Charity ("Irish Sisters of Charity") | RSC | |
| Presentation Sisters | IPBVM | |
| Congregatio Fratrum Christianorum ("Congregation of Christian Brothers") | CFC | |
| Society of St Columban ("Columban Fathers") | SSC or SSCME | |
| Missionary Society of St Patrick ("Kiltegan Fathers") | SPS | |
| Society of African Missions | SMA | |
| Celtic Cross Missionary [7] | CCM | |