| D. | Deus (Latin), God; diamond (cards); Dominus (Latin), the Lord; five hundred (Roman). |
| d. | Daughter; day; delete; denarius or denarii (Latin), penny or pence; died; discharged. |
| D.A. | Deposit account; District Attorney (U.S.A.). |
| d.a. | Days after acceptance. |
| dag. | Decagramme(-s). |
| D.A.H. | Disordered action of the heart. |
| dal. | Decalitre(-s). |
|
| dam. | Decametre(-s). |
| Dan. | Danish. |
| dat. | Dative. |
| D.B. | Domesday Book; double-breasted. |
| D.B.S.T. | Double British Summer Time. |
| d.b. | Day book. |
| D.C. | Da capo (Italian), from the beginning; direct current; District Court; District of Columbia. |
| D/D. | Dated. |
| d.d. | Days after date; day's date. |
| Deb. | Debenture. |
| deb. | Debutante. |
| Dec. | Decani (Latin), of the Dean; December; Decorated (architecture). |
| dec. | Decagon(-al); deceased; declaration; declension; declination; decrescendo (Italian), becoming quieter. |
| Def. | Deferred (shares). |
| deg. | Degree(-s). |
| D.E.I. | Dutch East Indies. |
| Del. | Delaware. |
| del. | Delegate; delete; de-lineavit (Latin), he drew. |
| dele. | Delete. |
| dep. | Departs; deponent (grammar); deposed; deputy. |
| dept. | Department (French civic division); department. |
| det. | Detached. |
| Deut. | Book of Deuteronomy. |
| D.F. | Defender of the Faith. |
| d.f. | Double-fronted. |
| D.G. | Dei gratia (Latin), by the grace of God. |
| dg. | Decigram(-s). |
| D.H. | De Havilland. |
| diam. | Diameter. |
| dim. | Diminuendo (Italian), becoming quieter; diminutive. |
| din. | Dinar. |
| dis. | Disconnect(-ed); discount(-ed); distribute (type matter). |
| disc. | Discovered; discount(-ed). |
| dist. | Distance; distinguish; district. |
| Div. | Divine. |
| div. | Dividend; division; divorced. |
| divi. | Dividend. |
| dl. | Decilitre(-s). |
| dm. | Decimetre(-s). |
| D.N.B. | Dictionary of National Biography. |
| D.O. | Demi-official; direct order; district office; Dominions Office. |
| do. | Ditto. |
| dols. | Dollars. |
| Dom. | Dominion; Dominus (Latin), the Lord. |
| D.O.M. | Dominus omnium magister (Latin), God, the Lord of all. |
| D.O.R.A. | Defence of the Realm Act. |
| doz. | Dozen. |
| Dr. | Debtor; doctor. |
| D.R. | Dead reckoning; Defence Regulation; District Railway. |
| dr. | Drachma; dram(-s); drawer (of cheque). |
| d.s.p. | Decessit sine prole (Latin), died without issue. |
| D.T. | Delirium tremens. dub. Dubious. |
| Dunelm | Dunelmensis (Latin), of Durham (Bp.'s signature). |
| D.V. | Deo volente (Latin), God willing. |
| dwt. | Pennyweight. |
| Dyn. | Dynamics. |