| Name | Book/story/stage title | Notes
|
| Abbott, Lady Alice | Summer Moonshine | Sir Buckstone's wife
|
| Abbott, Sir Buckstone | Summer Moonshine | An impoverished baronet, owner of Walsingford Hall
|
| Abbott, Imogen | Summer Moonshine | Sir Buckstone's daughter, known as Jane
|
| Abney, Arnold | | Headmaster of Sanstead House preparatory school
|
| Abrahams, Isadore | The Adventures of Sally | Proprietor of 'The Flower Garden' restaurant in New York
|
| Abrahams, Jakie | The Adventures of Sally | Son of Isadore Abrahams
|
| Abrahams, Mrs Rebecca | The Adventures of Sally | Wife of Isadore Abrahams
|
| Adair | Mike and Psmith | Boy at Sedleigh College
|
| Adair, J. Sheringham | Sam the Sudden | Alias of Chimp Twist, a crook
|
| Adam, Albert | The Play's the Thing | A composer
|
| Adams | Something Fresh | Head steward of the Senior Conservative Club, London
|
| Adamson, Dr | | Doctor serving St. Austin's College
|
| Addleton, Sir Jasper | The Smile That Wins | A fat, bald and goggle-eyed financier
|
| Adolf | Out of School | An unpleasant German boy at Harrow House school
|
| Agravaine the Dolorous, Sir | Sir Agravaine | A gallant knight
|
| Albert | The White Feather | A local tough in Wrykyn village, enemy of the college boys
|
| Albert | A Damsel in Distress | Page boy at Belpher Castle
|
| Alcester, Lady | | Sister of Lord Emsworth and dog-owner
|
| Aldridge, Mr | The Gold Bat | Master at Wrykyn College
|
| Alejandro 13th, King | A Man of Means | The exiled King of Paranoya
|
| Alfred | Something Fresh | Footman at Blandings Castle
|
| Allardyce | The White Feather | Boy at Wrykyn
|
| Allsop, Wilfred | Galahad at Blandings | A musician, in love with Veronica Wedge
|
| Almady | The Play's the Thing | An actor
|
| Alpine Joe | Stiff Upper Lip, Jeeves | Alias of Bertie Wooster
|
| Anatole | | A superb chef, now working at Brinkley Court
|
| Anderson, 'Blinky' | A Job of Work | Prop. East Side Delmonico's, New York
|
| Anderson, J. G. | Barmy in Wonderland | Hotel owner
|
| Angela | Pig-hoo-o-o-o-ey! | Daughter of Lord Emsworth's sister Jane
|
| Angela | | Daughter of Dahlia Travers, engaged to Tuppy Glossop
|
| Angela, Lady | Came the Dawn | Daughter of Lord Biddlecombe
|
| Anstruther, Mr | The Love that Purifies | A frail old gentleman, friend of Dahlia Travers' father
|
| Appleby, Horace | Do Butlers Burgle Banks? | Butler and criminal mastermind
|
| Appleby, Mr | | House master at Wrykyn College
|
| Appleby, Professor | Sitting Pretty | A crook
|
| Appleby, Professor | Bill the Conqueror | A crook claiming to be a follower of Eugenics
|
| Appleton, Constance | Oh, Kay! | Daughter of Judge Appleton and engaged to Jimmy Winter
|
| Appleton, Judge | Oh, Kay! | Father of Constance
|
| Arbutt, Augustus | Rallying Round Old George | Uncle of George Lattaker
|
| Archer-Cleeve, Mr | | Patron of Mervo Casino
|
| Armand | French Leave | Floor waiter, Hotel Magnifique, St Rocque
|
| Armstrong, Tommy | The Luck Stone | Friend and staunch but unreliable ally of Jimmy Stewart
|
| Arnold of Melchthal | William Tell Told Again | A Swiss, delegate to the Governor
|
| Arnold of Sewa | William Tell Told Again | A Swiss, delegate to the Governor
|
| Arthur | Sir Agravaine | King of England and owner of a Round Table
|
| Ascobaruch | The Coming of Gowf | Brother of the King of Oom: a bad lot
|
| Ashby, Colonel | A Prefect's Uncle | Friend of Pringle's (Beckford College), father of two sons
|
| Ashby, James | A Prefect's Uncle | Son of Col. Ashby
|
| Ashby, John | A Prefect's Uncle | Son of Col. Ashby
|
| Asher, B. Henderson | | Writer of Moments of Mirth
|
| Attell | The White Feather | Boy at Wrykyn College
|
| Attwater, John B. | Summer Moonshine | Prop. Goose and Gander, Walsingford Parva; retired butler
|
| Attwater, Miss | Summer Moonshine | Barmaid at Goose and Gander; John B's niece
|
| Attwater, Roland Moresby | | Essayist and literary critic
|
| Attwell, Mrs | | Matron of Sanstead House prep. school
|
| Aubrey, Sir | A Bit of Luck for Mabel | A Baronet
|
