| Name | Book/story/stage title | Notes
|
| Dacre, Mr | The Babe and the Dragon | A house master at St. Austin's College
|
| Dacre, Rev. Joseph | The Lost Bowlers | Curate of Marvis Bay
|
| Daintree | The Pothunters | Boy at St. Austin's College
|
| Dalgleish | Between the Innings | A cricketer
|
| Dalgleish, Miss | The Ordeal of Young Tuppy | A dog-girl
|
| Dallas | The Pothunters | Boy at St. Austin's College
|
| Daly, Jasper | Bill the Conqueror | An inventor and parasite
|
| Dalrymple, Florence 'Flossie' | | Barmaid at the Blue Anchor, Knightsbridge
|
| Dalyrimple, Vera | | Actress in the serial The Vicissitudes of Vera
|
| Danby, Joe | Extricating Young Gussie | A retired vaudevillian
|
| Danvers | A Prefect's Uncle | Boy at Beckford College
|
| d'Arcy, Mae | Jill the Reckless | A chorus girl, known as the 'Duchess'
|
| Darrell, Dorothea Mrs | Disentangling Old Percy | A vindictive palmist
|
| Datchett, James | Out of School | Teacher at Harrow House school
|
| Daubeny | Pillingshot, Detective | Boy at St. Austin's College
|
| Davenport, Horace | | Nephew and heir of the Duke of Dunstable
|
| Davenport, Joe | The Old Reliable | Ex Hollywood writer
|
| Davenport-Simms, Eustace | How's That, Umpire? | Ex-fiancé of Clarissa Binstead
|
| Davies | The Reformation of Study Sixteen | Boy at Wrykyn College
|
| Davis, Polly | Uneasy Money | Maiden name of Lady Wetherby
|
| Dawkins | The Pothunters | Gym instructor, St. Austin's College
|
| Dawlish, Lord | Uneasy Money | A poor peer who comes into money
|
| Dawson, Mr | Buttercup Day | Claims to be from Scotland Yard
|
| Day, Mr | | House master at Wrykyn College
|
| de Croux, Maurice | A Prince for Hire | Prince of Mervo
|
| Delamere, George Francis Augustus | Bingo Bans the Bomb | 5th Earl of Ippleton, father of Mabel Murgatroyd
|
| Delancey, Cyril | The Purification of Rodney Spelvin | A private detective
|
| Dencroft, Mr | The Head of Kay's | A house master at Eckleton College
|
| Denham, Lois | Jill the Reckless | A chorus girl in The Rose of America
|
| Denison, Ray | Extricating Young Gussie | A female vaudevillian
|
| Denton, Eddie | A Mixed Threesome | Explorer friend of Mortimer Sturgis
|
| Derrick, B. Rockleigh | The Eighteenth Hole | A golfing businessman
|
| Derrick, Kay | Sam the Sudden | A young woman
|
| Derrick, Phyllis | Love Among the Chickens | Young woman, daughter of Professor Derrick
|
| Derrick, Professor | Love Among the Chickens | A touchy man
|
| d'Escrignon, Comte | French Leave | Son of a Marquis, ex-maquis
|
| Devereaux, Ronny | Jill the Reckless | A friend of Freddie Rooke
|
| Deverill, Charlotte | The Mating Season | Aunt of Esmond Haddock
|
| Deverill, Emmeline | The Mating Season | Aunt of Esmond Haddock
|
| Deverill, Harriet | The Mating Season | Aunt of Esmond Haddock
|
| Deverill, Myrtle | The Mating Season | Aunt of Esmond Haddock
|
| Devine, Aubrey Rockmettler | Aubrey's Arrested Individuality | A married man
|
| Devine, Professor | The Début of Battling Billson | A bird imitator
|
| Devine, Raymond Parsloe | The Clicking of Cuthbert | A rising novelist
|
| Dexter, Mr Robert | | House master at Wrykyn College
|
| Dibble, Ferdinand | The Heart of a Goof | A goof
|
| Dickon | Sir Agravaine | A guard
|
| Dingle, Steve | The Coming of Bill | A personal trainer
|
| Dix, Charlotte | The Magic Plus Fours | Golfer
|
| Dixon | | Boy at Wrykyn College
|
| Dixon, Rupert | Ordeal by Golf | A golfer, a little too good
|
| Dixon, 'Wall-eyed' | The Come-Back of Battling Billson | A boxing promoter
|
| Dobbs, P. C. Ernest | The Mating Season | Policeman in King's Deverill; an atheist
|
| Dobson, P. C. | Thank You, Jeeves | Policeman at Chuffnell Regis
|
| Dodson, Jacob | The Goal-keeper and the Plutocrat | A football fanatic
|
| Doland, Elsa | The Adventures of Sally | Actress in The Primrose Way, taking over the lead
|
| Dolby, Daphne | Bachelors Anonymous | A private detective
|
| Donahue, Officer | The Indiscretions of Archie | A New York cop
|
| Donahue, Sgt. | The Rise of Minna Nordstrom | Police sergeant in Hollywood
|
| Donald, Uncle | The Adventures of Sally | Uncle of Bruce Carmyle
|
| Donaldson, Aggie | | Wife of Freddie Threepwood
|
| Donaldson, Mr | | An American millionaire, of Donaldson's Dog Joy
|
| Donaldson, Penny | Pigs Have Wings | Daughter of Mr Donaldson, the millionaire
|
| d'Orby, M | | President of the Republic of Mervo
|
| Dore, Billie | A Damsel in Distress | An American chorus girl
|
| Dorm of the Hills, Earl | Sir Agravaine | Father of Yvonne, a damsel in distress
|
| Dorman, George | Pots O' Money | Mr Dorman's son
|
| Dorman, Mr | Pots O' Money | A farmer, father of George
|
| Dorman, Mrs | Pots O' Money | Mr Dorman's mother, a seer
|
| Dorothy | The Manoeuvres of Charteris | Niece of St. Austin's headmaster
|
| Downblotton, Lady Chloe | The Story of Cedric | A beautiful lady
|
| Downing, Mr | Mike and Psmith | Games master at Sedleigh College
|
| Drake, Sir Hugo | | A nerve specialist
|
| Drassilis, Cynthia | The Little Nugget | A self-centred woman
|
| Drassilis, Mrs | The Little Nugget | Cynthia's mother
|
| Dreever, Lord | | A penniless Earl
|
| Drew, Rev. Henry | Tom, Dick and Harry | A cricketing curate
|
| Driscoll, Mr | From a Detective's Notebook | A club member
|
| Driver, Mrs | Not George Washington | Landlady, 93A Manresa Road, London
|
| Drummond | | Boy at Wrykyn College
|
| Drusilla | Noblesse Oblige | A young woman
|
| Duff, J. B. | Quick Service | Proprietor of Duff and Trotter, purveyors of food
|
| Dunhill, Robert | Ukridge's Accident Syndicate | Employed at the New Asiatic Bank
|
| Dunlop, T. Mortimer | A Job of Work | An American plutocrat
|
| Dunstable | | Boy at Wrykyn College
|
| Dunstable, Duke of | | A dreadful Duke, thinks everyone's potty
|
| Dunster, Tom | Mike and Psmith | Sedleigh College old boy
|
| Dwornitschek | The Play's the Thing | A footman
|
| Dwornitzchek, Princess von und zu | Summer Moonshine |
|
